7105820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 15714048

約数和(自身を除く): 8608228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 157, 292, 310, 314, 365, 620, 628, 730, 785, 1460, 1570, 2263, 3140, 4526, 4867, 9052, 9734, 11315, 11461, 19468, 22630, 22922, 24335, 45260, 45844, 48670, 57305, 97340, 114610, 229220, 355291, 710582, 1421164, 1776455, 3552910, 7105820]

約数ペア:

[(1, 7105820), (2, 3552910), (4, 1776455), (5, 1421164), (10, 710582), (20, 355291), (31, 229220), (62, 114610), (73, 97340), (124, 57305), (146, 48670), (155, 45844), (157, 45260), (292, 24335), (310, 22922), (314, 22630), (365, 19468), (620, 11461), (628, 11315), (730, 9734), (785, 9052), (1460, 4867), (1570, 4526), (2263, 3140)]