61911740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{811}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 142418304

約数和(自身を除く): 80506564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 811, 1388, 1622, 1735, 3244, 3470, 3817, 4055, 6940, 7634, 8110, 8921, 15268, 16220, 17842, 19085, 35684, 38170, 44605, 76340, 89210, 178420, 281417, 562834, 1125668, 1407085, 2814170, 3095587, 5628340, 6191174, 12382348, 15477935, 30955870, 61911740]

約数ペア:

[(1, 61911740), (2, 30955870), (4, 15477935), (5, 12382348), (10, 6191174), (11, 5628340), (20, 3095587), (22, 2814170), (44, 1407085), (55, 1125668), (110, 562834), (220, 281417), (347, 178420), (694, 89210), (811, 76340), (1388, 44605), (1622, 38170), (1735, 35684), (3244, 19085), (3470, 17842), (3817, 16220), (4055, 15268), (6940, 8921), (7634, 8110)]