398381620

素因数分解:

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

素因数の和:390

約数の個数: 192

約数和(自身を含む): 1112702976

約数和(自身を除く): 714321356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 31, 35, 46, 52, 62, 65, 70, 91, 92, 115, 124, 130, 140, 155, 161, 182, 217, 230, 260, 299, 307, 310, 322, 364, 403, 434, 455, 460, 598, 614, 620, 644, 713, 805, 806, 868, 910, 1085, 1196, 1228, 1426, 1495, 1535, 1610, 1612, 1820, 2015, 2093, 2149, 2170, 2821, 2852, 2990, 3070, 3220, 3565, 3991, 4030, 4186, 4298, 4340, 4991, 5642, 5980, 6140, 7061, 7130, 7982, 8060, 8372, 8596, 9269, 9517, 9982, 10465, 10745, 11284, 14105, 14122, 14260, 15964, 18538, 19034, 19955, 19964, 20930, 21490, 24955, 27937, 28210, 28244, 35305, 37076, 38068, 39910, 41860, 42980, 46345, 47585, 49427, 49910, 55874, 56420, 64883, 66619, 70610, 79820, 91793, 92690, 95170, 98854, 99820, 111748, 123721, 129766, 133238, 139685, 141220, 183586, 185380, 190340, 197708, 218891, 247135, 247442, 259532, 266476, 279370, 324415, 333095, 367172, 437782, 458965, 494270, 494884, 558740, 618605, 642551, 648830, 666190, 866047, 875564, 917930, 988540, 1094455, 1237210, 1285102, 1297660, 1332380, 1532237, 1732094, 1835860, 2188910, 2474420, 2570204, 2845583, 3064474, 3212755, 3464188, 4330235, 4377820, 5691166, 6128948, 6425510, 7661185, 8660470, 11382332, 12851020, 14227915, 15322370, 17320940, 19919081, 28455830, 30644740, 39838162, 56911660, 79676324, 99595405, 199190810, 398381620]

約数ペア:

[(1, 398381620), (2, 199190810), (4, 99595405), (5, 79676324), (7, 56911660), (10, 39838162), (13, 30644740), (14, 28455830), (20, 19919081), (23, 17320940), (26, 15322370), (28, 14227915), (31, 12851020), (35, 11382332), (46, 8660470), (52, 7661185), (62, 6425510), (65, 6128948), (70, 5691166), (91, 4377820), (92, 4330235), (115, 3464188), (124, 3212755), (130, 3064474), (140, 2845583), (155, 2570204), (161, 2474420), (182, 2188910), (217, 1835860), (230, 1732094), (260, 1532237), (299, 1332380), (307, 1297660), (310, 1285102), (322, 1237210), (364, 1094455), (403, 988540), (434, 917930), (455, 875564), (460, 866047), (598, 666190), (614, 648830), (620, 642551), (644, 618605), (713, 558740), (805, 494884), (806, 494270), (868, 458965), (910, 437782), (1085, 367172), (1196, 333095), (1228, 324415), (1426, 279370), (1495, 266476), (1535, 259532), (1610, 247442), (1612, 247135), (1820, 218891), (2015, 197708), (2093, 190340), (2149, 185380), (2170, 183586), (2821, 141220), (2852, 139685), (2990, 133238), (3070, 129766), (3220, 123721), (3565, 111748), (3991, 99820), (4030, 98854), (4186, 95170), (4298, 92690), (4340, 91793), (4991, 79820), (5642, 70610), (5980, 66619), (6140, 64883), (7061, 56420), (7130, 55874), (7982, 49910), (8060, 49427), (8372, 47585), (8596, 46345), (9269, 42980), (9517, 41860), (9982, 39910), (10465, 38068), (10745, 37076), (11284, 35305), (14105, 28244), (14122, 28210), (14260, 27937), (15964, 24955), (18538, 21490), (19034, 20930), (19955, 19964)]