400480896

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 128

約数和(自身を含む): 1110706560

約数和(自身を除く): 710225664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 71, 74, 96, 111, 128, 142, 148, 192, 213, 222, 284, 296, 384, 397, 426, 444, 568, 592, 794, 852, 888, 1136, 1184, 1191, 1588, 1704, 1776, 2272, 2368, 2382, 2627, 3176, 3408, 3552, 4544, 4736, 4764, 5254, 6352, 6816, 7104, 7881, 9088, 9528, 10508, 12704, 13632, 14208, 14689, 15762, 19056, 21016, 25408, 27264, 28187, 29378, 31524, 38112, 42032, 44067, 50816, 56374, 58756, 63048, 76224, 84064, 84561, 88134, 112748, 117512, 126096, 152448, 168128, 169122, 176268, 225496, 235024, 252192, 336256, 338244, 352536, 450992, 470048, 504384, 676488, 705072, 901984, 940096, 1008768, 1042919, 1352976, 1410144, 1803968, 1880192, 2085838, 2705952, 2820288, 3128757, 3607936, 4171676, 5411904, 5640576, 6257514, 8343352, 10823808, 12515028, 16686704, 25030056, 33373408, 50060112, 66746816, 100120224, 133493632, 200240448, 400480896]

約数ペア:

[(1, 400480896), (2, 200240448), (3, 133493632), (4, 100120224), (6, 66746816), (8, 50060112), (12, 33373408), (16, 25030056), (24, 16686704), (32, 12515028), (37, 10823808), (48, 8343352), (64, 6257514), (71, 5640576), (74, 5411904), (96, 4171676), (111, 3607936), (128, 3128757), (142, 2820288), (148, 2705952), (192, 2085838), (213, 1880192), (222, 1803968), (284, 1410144), (296, 1352976), (384, 1042919), (397, 1008768), (426, 940096), (444, 901984), (568, 705072), (592, 676488), (794, 504384), (852, 470048), (888, 450992), (1136, 352536), (1184, 338244), (1191, 336256), (1588, 252192), (1704, 235024), (1776, 225496), (2272, 176268), (2368, 169122), (2382, 168128), (2627, 152448), (3176, 126096), (3408, 117512), (3552, 112748), (4544, 88134), (4736, 84561), (4764, 84064), (5254, 76224), (6352, 63048), (6816, 58756), (7104, 56374), (7881, 50816), (9088, 44067), (9528, 42032), (10508, 38112), (12704, 31524), (13632, 29378), (14208, 28187), (14689, 27264), (15762, 25408), (19056, 21016)]