400230848

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1201}}^1$

素因数の和:1381

約数の個数: 56

約数和(自身を含む): 820667904

約数和(自身を除く): 420437056

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 127, 164, 254, 328, 508, 656, 1016, 1201, 1312, 2032, 2402, 2624, 4064, 4804, 5207, 8128, 9608, 10414, 19216, 20828, 38432, 41656, 49241, 76864, 83312, 98482, 152527, 166624, 196964, 305054, 333248, 393928, 610108, 787856, 1220216, 1575712, 2440432, 3151424, 4880864, 6253607, 9761728, 12507214, 25014428, 50028856, 100057712, 200115424, 400230848]

約数ペア:

[(1, 400230848), (2, 200115424), (4, 100057712), (8, 50028856), (16, 25014428), (32, 12507214), (41, 9761728), (64, 6253607), (82, 4880864), (127, 3151424), (164, 2440432), (254, 1575712), (328, 1220216), (508, 787856), (656, 610108), (1016, 393928), (1201, 333248), (1312, 305054), (2032, 196964), (2402, 166624), (2624, 152527), (4064, 98482), (4804, 83312), (5207, 76864), (8128, 49241), (9608, 41656), (10414, 38432), (19216, 20828)]