2788671340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 288

約数和(自身を含む): 7928008704

約数和(自身を除く): 5139337364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 31, 35, 46, 49, 52, 62, 65, 70, 91, 92, 98, 115, 124, 130, 140, 155, 161, 182, 196, 217, 230, 245, 260, 299, 307, 310, 322, 364, 403, 434, 455, 460, 490, 598, 614, 620, 637, 644, 713, 805, 806, 868, 910, 980, 1085, 1127, 1196, 1228, 1274, 1426, 1495, 1519, 1535, 1610, 1612, 1820, 2015, 2093, 2149, 2170, 2254, 2548, 2821, 2852, 2990, 3038, 3070, 3185, 3220, 3565, 3991, 4030, 4186, 4298, 4340, 4508, 4991, 5635, 5642, 5980, 6076, 6140, 6370, 7061, 7130, 7595, 7982, 8060, 8372, 8596, 9269, 9517, 9982, 10465, 10745, 11270, 11284, 12740, 14105, 14122, 14260, 14651, 15043, 15190, 15964, 18538, 19034, 19747, 19955, 19964, 20930, 21490, 22540, 24955, 27937, 28210, 28244, 29302, 30086, 30380, 34937, 35305, 37076, 38068, 39494, 39910, 41860, 42980, 46345, 47585, 49427, 49910, 55874, 56420, 58604, 60172, 64883, 66619, 69874, 70610, 73255, 75215, 78988, 79820, 91793, 92690, 95170, 98735, 98854, 99820, 111748, 123721, 129766, 133238, 139685, 139748, 141220, 146510, 150430, 174685, 183586, 185380, 190340, 195559, 197470, 197708, 218891, 247135, 247442, 259532, 266476, 279370, 293020, 300860, 324415, 333095, 345989, 349370, 367172, 391118, 394940, 437782, 454181, 458965, 466333, 494270, 494884, 558740, 618605, 642551, 648830, 666190, 691978, 698740, 782236, 866047, 875564, 908362, 917930, 932666, 977795, 988540, 1094455, 1237210, 1285102, 1297660, 1332380, 1383956, 1532237, 1729945, 1732094, 1816724, 1835860, 1865332, 1955590, 2188910, 2270905, 2331665, 2474420, 2570204, 2845583, 3064474, 3212755, 3459890, 3464188, 3911180, 4330235, 4377820, 4497857, 4541810, 4663330, 5691166, 6062329, 6128948, 6425510, 6919780, 7661185, 8660470, 8995714, 9083620, 9326660, 10725659, 11382332, 12124658, 12851020, 14227915, 15322370, 17320940, 17991428, 19919081, 21451318, 22489285, 24249316, 28455830, 30311645, 30644740, 39838162, 42902636, 44978570, 53628295, 56911660, 60623290, 79676324, 89957140, 99595405, 107256590, 121246580, 139433567, 199190810, 214513180, 278867134, 398381620, 557734268, 697167835, 1394335670, 2788671340]

約数ペア:

[(1, 2788671340), (2, 1394335670), (4, 697167835), (5, 557734268), (7, 398381620), (10, 278867134), (13, 214513180), (14, 199190810), (20, 139433567), (23, 121246580), (26, 107256590), (28, 99595405), (31, 89957140), (35, 79676324), (46, 60623290), (49, 56911660), (52, 53628295), (62, 44978570), (65, 42902636), (70, 39838162), (91, 30644740), (92, 30311645), (98, 28455830), (115, 24249316), (124, 22489285), (130, 21451318), (140, 19919081), (155, 17991428), (161, 17320940), (182, 15322370), (196, 14227915), (217, 12851020), (230, 12124658), (245, 11382332), (260, 10725659), (299, 9326660), (307, 9083620), (310, 8995714), (322, 8660470), (364, 7661185), (403, 6919780), (434, 6425510), (455, 6128948), (460, 6062329), (490, 5691166), (598, 4663330), (614, 4541810), (620, 4497857), (637, 4377820), (644, 4330235), (713, 3911180), (805, 3464188), (806, 3459890), (868, 3212755), (910, 3064474), (980, 2845583), (1085, 2570204), (1127, 2474420), (1196, 2331665), (1228, 2270905), (1274, 2188910), (1426, 1955590), (1495, 1865332), (1519, 1835860), (1535, 1816724), (1610, 1732094), (1612, 1729945), (1820, 1532237), (2015, 1383956), (2093, 1332380), (2149, 1297660), (2170, 1285102), (2254, 1237210), (2548, 1094455), (2821, 988540), (2852, 977795), (2990, 932666), (3038, 917930), (3070, 908362), (3185, 875564), (3220, 866047), (3565, 782236), (3991, 698740), (4030, 691978), (4186, 666190), (4298, 648830), (4340, 642551), (4508, 618605), (4991, 558740), (5635, 494884), (5642, 494270), (5980, 466333), (6076, 458965), (6140, 454181), (6370, 437782), (7061, 394940), (7130, 391118), (7595, 367172), (7982, 349370), (8060, 345989), (8372, 333095), (8596, 324415), (9269, 300860), (9517, 293020), (9982, 279370), (10465, 266476), (10745, 259532), (11270, 247442), (11284, 247135), (12740, 218891), (14105, 197708), (14122, 197470), (14260, 195559), (14651, 190340), (15043, 185380), (15190, 183586), (15964, 174685), (18538, 150430), (19034, 146510), (19747, 141220), (19955, 139748), (19964, 139685), (20930, 133238), (21490, 129766), (22540, 123721), (24955, 111748), (27937, 99820), (28210, 98854), (28244, 98735), (29302, 95170), (30086, 92690), (30380, 91793), (34937, 79820), (35305, 78988), (37076, 75215), (38068, 73255), (39494, 70610), (39910, 69874), (41860, 66619), (42980, 64883), (46345, 60172), (47585, 58604), (49427, 56420), (49910, 55874)]