421885100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 216

約数和(自身を含む): 1184455440

約数和(自身を除く): 762570340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 37, 49, 50, 52, 65, 70, 74, 91, 98, 100, 130, 140, 148, 175, 179, 182, 185, 196, 245, 259, 260, 325, 350, 358, 364, 370, 455, 481, 490, 518, 637, 650, 700, 716, 740, 895, 910, 925, 962, 980, 1036, 1225, 1253, 1274, 1295, 1300, 1790, 1813, 1820, 1850, 1924, 2275, 2327, 2405, 2450, 2506, 2548, 2590, 3185, 3367, 3580, 3626, 3700, 4475, 4550, 4654, 4810, 4900, 5012, 5180, 6265, 6370, 6475, 6623, 6734, 7252, 8771, 8950, 9065, 9100, 9308, 9620, 11635, 12025, 12530, 12740, 12950, 13246, 13468, 15925, 16289, 16835, 17542, 17900, 18130, 23270, 23569, 24050, 25060, 25900, 26492, 31325, 31850, 32578, 33115, 33670, 35084, 36260, 43855, 45325, 46361, 46540, 47138, 48100, 58175, 62650, 63700, 65156, 66230, 67340, 81445, 84175, 86099, 87710, 90650, 92722, 94276, 114023, 116350, 117845, 125300, 132460, 162890, 165575, 168350, 172198, 175420, 181300, 185444, 219275, 228046, 231805, 232700, 235690, 324527, 325780, 331150, 336700, 344396, 407225, 430495, 438550, 456092, 463610, 471380, 570115, 589225, 602693, 649054, 662300, 814450, 860990, 877100, 927220, 1140230, 1159025, 1178450, 1205386, 1298108, 1622635, 1628900, 1721980, 2152475, 2280460, 2318050, 2356900, 2410772, 2850575, 3013465, 3245270, 4218851, 4304950, 4636100, 5701150, 6026930, 6490540, 8113175, 8437702, 8609900, 11402300, 12053860, 15067325, 16226350, 16875404, 21094255, 30134650, 32452700, 42188510, 60269300, 84377020, 105471275, 210942550, 421885100]

約数ペア:

[(1, 421885100), (2, 210942550), (4, 105471275), (5, 84377020), (7, 60269300), (10, 42188510), (13, 32452700), (14, 30134650), (20, 21094255), (25, 16875404), (26, 16226350), (28, 15067325), (35, 12053860), (37, 11402300), (49, 8609900), (50, 8437702), (52, 8113175), (65, 6490540), (70, 6026930), (74, 5701150), (91, 4636100), (98, 4304950), (100, 4218851), (130, 3245270), (140, 3013465), (148, 2850575), (175, 2410772), (179, 2356900), (182, 2318050), (185, 2280460), (196, 2152475), (245, 1721980), (259, 1628900), (260, 1622635), (325, 1298108), (350, 1205386), (358, 1178450), (364, 1159025), (370, 1140230), (455, 927220), (481, 877100), (490, 860990), (518, 814450), (637, 662300), (650, 649054), (700, 602693), (716, 589225), (740, 570115), (895, 471380), (910, 463610), (925, 456092), (962, 438550), (980, 430495), (1036, 407225), (1225, 344396), (1253, 336700), (1274, 331150), (1295, 325780), (1300, 324527), (1790, 235690), (1813, 232700), (1820, 231805), (1850, 228046), (1924, 219275), (2275, 185444), (2327, 181300), (2405, 175420), (2450, 172198), (2506, 168350), (2548, 165575), (2590, 162890), (3185, 132460), (3367, 125300), (3580, 117845), (3626, 116350), (3700, 114023), (4475, 94276), (4550, 92722), (4654, 90650), (4810, 87710), (4900, 86099), (5012, 84175), (5180, 81445), (6265, 67340), (6370, 66230), (6475, 65156), (6623, 63700), (6734, 62650), (7252, 58175), (8771, 48100), (8950, 47138), (9065, 46540), (9100, 46361), (9308, 45325), (9620, 43855), (11635, 36260), (12025, 35084), (12530, 33670), (12740, 33115), (12950, 32578), (13246, 31850), (13468, 31325), (15925, 26492), (16289, 25900), (16835, 25060), (17542, 24050), (17900, 23569), (18130, 23270)]