200818420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1321}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 461071296

約数和(自身を除く): 260252876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 691, 1321, 1382, 2642, 2764, 3455, 5284, 6605, 6910, 7601, 13210, 13820, 14531, 15202, 26420, 29062, 30404, 38005, 58124, 72655, 76010, 145310, 152020, 290620, 912811, 1825622, 3651244, 4564055, 9128110, 10040921, 18256220, 20081842, 40163684, 50204605, 100409210, 200818420]

約数ペア:

[(1, 200818420), (2, 100409210), (4, 50204605), (5, 40163684), (10, 20081842), (11, 18256220), (20, 10040921), (22, 9128110), (44, 4564055), (55, 3651244), (110, 1825622), (220, 912811), (691, 290620), (1321, 152020), (1382, 145310), (2642, 76010), (2764, 72655), (3455, 58124), (5284, 38005), (6605, 30404), (6910, 29062), (7601, 26420), (13210, 15202), (13820, 14531)]