839740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1$

素因数の和:378

約数の個数: 36

約数和(自身を含む): 1943928

約数和(自身を除く): 1104188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 347, 484, 605, 694, 1210, 1388, 1735, 2420, 3470, 3817, 6940, 7634, 15268, 19085, 38170, 41987, 76340, 83974, 167948, 209935, 419870, 839740]

約数ペア:

[(1, 839740), (2, 419870), (4, 209935), (5, 167948), (10, 83974), (11, 76340), (20, 41987), (22, 38170), (44, 19085), (55, 15268), (110, 7634), (121, 6940), (220, 3817), (242, 3470), (347, 2420), (484, 1735), (605, 1388), (694, 1210)]