858841720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{8167}}^1$

素因数の和:8428

約数の個数: 64

約数和(自身を含む): 2117145600

約数和(自身を除く): 1258303880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 956, 1195, 1912, 2390, 2629, 4780, 5258, 8167, 9560, 10516, 13145, 16334, 21032, 26290, 32668, 40835, 52580, 65336, 81670, 89837, 105160, 163340, 179674, 326680, 359348, 449185, 718696, 898370, 1796740, 1951913, 3593480, 3903826, 7807652, 9759565, 15615304, 19519130, 21471043, 39038260, 42942086, 78076520, 85884172, 107355215, 171768344, 214710430, 429420860, 858841720]

約数ペア:

[(1, 858841720), (2, 429420860), (4, 214710430), (5, 171768344), (8, 107355215), (10, 85884172), (11, 78076520), (20, 42942086), (22, 39038260), (40, 21471043), (44, 19519130), (55, 15615304), (88, 9759565), (110, 7807652), (220, 3903826), (239, 3593480), (440, 1951913), (478, 1796740), (956, 898370), (1195, 718696), (1912, 449185), (2390, 359348), (2629, 326680), (4780, 179674), (5258, 163340), (8167, 105160), (9560, 89837), (10516, 81670), (13145, 65336), (16334, 52580), (21032, 40835), (26290, 32668)]