311948780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109073}}^1$

素因数の和:109106

約数の個数: 48

約数和(自身を含む): 769626144

約数和(自身を除く): 457677364

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 109073, 218146, 436292, 545365, 1090730, 1199803, 1417949, 2181460, 2399606, 2835898, 4799212, 5671796, 5999015, 7089745, 11998030, 14179490, 15597439, 23996060, 28358980, 31194878, 62389756, 77987195, 155974390, 311948780]

約数ペア:

[(1, 311948780), (2, 155974390), (4, 77987195), (5, 62389756), (10, 31194878), (11, 28358980), (13, 23996060), (20, 15597439), (22, 14179490), (26, 11998030), (44, 7089745), (52, 5999015), (55, 5671796), (65, 4799212), (110, 2835898), (130, 2399606), (143, 2181460), (220, 1417949), (260, 1199803), (286, 1090730), (572, 545365), (715, 436292), (1430, 218146), (2860, 109073)]