42855380

素因数分解:

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

素因数の和:428

約数の個数: 48

約数和(自身を含む): 92307600

約数和(自身を除く): 49452220

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 149, 197, 292, 298, 365, 394, 596, 730, 745, 788, 985, 1460, 1490, 1970, 2980, 3940, 10877, 14381, 21754, 28762, 29353, 43508, 54385, 57524, 58706, 71905, 108770, 117412, 143810, 146765, 217540, 287620, 293530, 587060, 2142769, 4285538, 8571076, 10713845, 21427690, 42855380]

約数ペア:

[(1, 42855380), (2, 21427690), (4, 10713845), (5, 8571076), (10, 4285538), (20, 2142769), (73, 587060), (146, 293530), (149, 287620), (197, 217540), (292, 146765), (298, 143810), (365, 117412), (394, 108770), (596, 71905), (730, 58706), (745, 57524), (788, 54385), (985, 43508), (1460, 29353), (1490, 28762), (1970, 21754), (2980, 14381), (3940, 10877)]