408075140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109111}}^1$

素因数の和:109148

約数の個数: 48

約数和(自身を含む): 989864064

約数和(自身を除く): 581788924

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 109111, 218222, 436444, 545555, 1091110, 1200221, 1854887, 2182220, 2400442, 3709774, 4800884, 6001105, 7419548, 9274435, 12002210, 18548870, 20403757, 24004420, 37097740, 40807514, 81615028, 102018785, 204037570, 408075140]

約数ペア:

[(1, 408075140), (2, 204037570), (4, 102018785), (5, 81615028), (10, 40807514), (11, 37097740), (17, 24004420), (20, 20403757), (22, 18548870), (34, 12002210), (44, 9274435), (55, 7419548), (68, 6001105), (85, 4800884), (110, 3709774), (170, 2400442), (187, 2182220), (220, 1854887), (340, 1200221), (374, 1091110), (748, 545555), (935, 436444), (1870, 218222), (3740, 109111)]