7266740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 17310720

約数和(自身を除く): 10043980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1471, 2470, 2942, 4940, 5884, 7355, 14710, 19123, 27949, 29420, 38246, 55898, 76492, 95615, 111796, 139745, 191230, 279490, 363337, 382460, 558980, 726674, 1453348, 1816685, 3633370, 7266740]

約数ペア:

[(1, 7266740), (2, 3633370), (4, 1816685), (5, 1453348), (10, 726674), (13, 558980), (19, 382460), (20, 363337), (26, 279490), (38, 191230), (52, 139745), (65, 111796), (76, 95615), (95, 76492), (130, 55898), (190, 38246), (247, 29420), (260, 27949), (380, 19123), (494, 14710), (988, 7355), (1235, 5884), (1471, 4940), (2470, 2942)]