30717830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21481}}^1$

素因数の和:21512

約数の個数: 32

約数和(自身を含む): 64961568

約数和(自身を除く): 34243738

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21481, 42962, 107405, 214810, 236291, 279253, 472582, 558506, 1181455, 1396265, 2362910, 2792530, 3071783, 6143566, 15358915, 30717830]

約数ペア:

[(1, 30717830), (2, 15358915), (5, 6143566), (10, 3071783), (11, 2792530), (13, 2362910), (22, 1396265), (26, 1181455), (55, 558506), (65, 472582), (110, 279253), (130, 236291), (143, 214810), (286, 107405), (715, 42962), (1430, 21481)]