408004772

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 861686784

約数和(自身を除く): 453682012

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 127, 148, 196, 254, 259, 443, 508, 518, 886, 889, 1036, 1772, 1778, 1813, 3101, 3556, 3626, 4699, 6202, 6223, 7252, 9398, 12404, 12446, 16391, 18796, 21707, 24892, 32782, 32893, 43414, 56261, 65564, 65786, 86828, 112522, 114737, 131572, 225044, 229474, 230251, 393827, 458948, 460502, 787654, 803159, 921004, 1575308, 1606318, 2081657, 2756789, 3212636, 4163314, 5513578, 8326628, 11027156, 14571599, 29143198, 58286396, 102001193, 204002386, 408004772]

約数ペア:

[(1, 408004772), (2, 204002386), (4, 102001193), (7, 58286396), (14, 29143198), (28, 14571599), (37, 11027156), (49, 8326628), (74, 5513578), (98, 4163314), (127, 3212636), (148, 2756789), (196, 2081657), (254, 1606318), (259, 1575308), (443, 921004), (508, 803159), (518, 787654), (886, 460502), (889, 458948), (1036, 393827), (1772, 230251), (1778, 229474), (1813, 225044), (3101, 131572), (3556, 114737), (3626, 112522), (4699, 86828), (6202, 65786), (6223, 65564), (7252, 56261), (9398, 43414), (12404, 32893), (12446, 32782), (16391, 24892), (18796, 21707)]