7712910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2049

約数の個数: 48

約数和(自身を含む): 20530224

約数和(自身を除く): 12817314

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 1993, 3870, 3986, 5979, 9965, 11958, 17937, 19930, 29895, 35874, 59790, 85699, 89685, 171398, 179370, 257097, 428495, 514194, 771291, 856990, 1285485, 1542582, 2570970, 3856455, 7712910]

約数ペア:

[(1, 7712910), (2, 3856455), (3, 2570970), (5, 1542582), (6, 1285485), (9, 856990), (10, 771291), (15, 514194), (18, 428495), (30, 257097), (43, 179370), (45, 171398), (86, 89685), (90, 85699), (129, 59790), (215, 35874), (258, 29895), (387, 19930), (430, 17937), (645, 11958), (774, 9965), (1290, 5979), (1935, 3986), (1993, 3870)]