85710760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 197802000

約数和(自身を除く): 112091240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 149, 197, 292, 298, 365, 394, 584, 596, 730, 745, 788, 985, 1192, 1460, 1490, 1576, 1970, 2920, 2980, 3940, 5960, 7880, 10877, 14381, 21754, 28762, 29353, 43508, 54385, 57524, 58706, 71905, 87016, 108770, 115048, 117412, 143810, 146765, 217540, 234824, 287620, 293530, 435080, 575240, 587060, 1174120, 2142769, 4285538, 8571076, 10713845, 17142152, 21427690, 42855380, 85710760]

約数ペア:

[(1, 85710760), (2, 42855380), (4, 21427690), (5, 17142152), (8, 10713845), (10, 8571076), (20, 4285538), (40, 2142769), (73, 1174120), (146, 587060), (149, 575240), (197, 435080), (292, 293530), (298, 287620), (365, 234824), (394, 217540), (584, 146765), (596, 143810), (730, 117412), (745, 115048), (788, 108770), (985, 87016), (1192, 71905), (1460, 58706), (1490, 57524), (1576, 54385), (1970, 43508), (2920, 29353), (2980, 28762), (3940, 21754), (5960, 14381), (7880, 10877)]