155288540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41521}}^1$

素因数の和:41558

約数の個数: 48

約数和(自身を含む): 376687584

約数和(自身を除く): 221399044

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, 41521, 83042, 166084, 207605, 415210, 456731, 705857, 830420, 913462, 1411714, 1826924, 2283655, 2823428, 3529285, 4567310, 7058570, 7764427, 9134620, 14117140, 15528854, 31057708, 38822135, 77644270, 155288540]

約数ペア:

[(1, 155288540), (2, 77644270), (4, 38822135), (5, 31057708), (10, 15528854), (11, 14117140), (17, 9134620), (20, 7764427), (22, 7058570), (34, 4567310), (44, 3529285), (55, 2823428), (68, 2283655), (85, 1826924), (110, 1411714), (170, 913462), (187, 830420), (220, 705857), (340, 456731), (374, 415210), (748, 207605), (935, 166084), (1870, 83042), (3740, 41521)]