945756400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{173}}^2$

素因数の和:443

約数の個数: 90

約数和(自身を含む): 2314318640

約数和(自身を除く): 1368562240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 173, 200, 316, 346, 395, 400, 632, 692, 790, 865, 1264, 1384, 1580, 1730, 1975, 2768, 3160, 3460, 3950, 4325, 6320, 6920, 7900, 8650, 13667, 13840, 15800, 17300, 27334, 29929, 31600, 34600, 54668, 59858, 68335, 69200, 109336, 119716, 136670, 149645, 218672, 239432, 273340, 299290, 341675, 478864, 546680, 598580, 683350, 748225, 1093360, 1197160, 1366700, 1496450, 2364391, 2394320, 2733400, 2992900, 4728782, 5466800, 5985800, 9457564, 11821955, 11971600, 18915128, 23643910, 37830256, 47287820, 59109775, 94575640, 118219550, 189151280, 236439100, 472878200, 945756400]

約数ペア:

[(1, 945756400), (2, 472878200), (4, 236439100), (5, 189151280), (8, 118219550), (10, 94575640), (16, 59109775), (20, 47287820), (25, 37830256), (40, 23643910), (50, 18915128), (79, 11971600), (80, 11821955), (100, 9457564), (158, 5985800), (173, 5466800), (200, 4728782), (316, 2992900), (346, 2733400), (395, 2394320), (400, 2364391), (632, 1496450), (692, 1366700), (790, 1197160), (865, 1093360), (1264, 748225), (1384, 683350), (1580, 598580), (1730, 546680), (1975, 478864), (2768, 341675), (3160, 299290), (3460, 273340), (3950, 239432), (4325, 218672), (6320, 149645), (6920, 136670), (7900, 119716), (8650, 109336), (13667, 69200), (13840, 68335), (15800, 59858), (17300, 54668), (27334, 34600), (29929, 31600)]