400706368

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2159

約数の個数: 56

約数和(自身を含む): 836200512

約数和(自身を除く): 435494144

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 137, 184, 274, 368, 548, 736, 1096, 1472, 1987, 2192, 3151, 3974, 4384, 6302, 7948, 8768, 12604, 15896, 25208, 31792, 45701, 50416, 63584, 91402, 100832, 127168, 182804, 201664, 272219, 365608, 544438, 731216, 1088876, 1462432, 2177752, 2924864, 4355504, 6261037, 8711008, 12522074, 17422016, 25044148, 50088296, 100176592, 200353184, 400706368]

約数ペア:

[(1, 400706368), (2, 200353184), (4, 100176592), (8, 50088296), (16, 25044148), (23, 17422016), (32, 12522074), (46, 8711008), (64, 6261037), (92, 4355504), (137, 2924864), (184, 2177752), (274, 1462432), (368, 1088876), (548, 731216), (736, 544438), (1096, 365608), (1472, 272219), (1987, 201664), (2192, 182804), (3151, 127168), (3974, 100832), (4384, 91402), (6302, 63584), (7948, 50416), (8768, 45701), (12604, 31792), (15896, 25208)]