131419310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 261597168

約数和(自身を除く): 130177858

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 313, 347, 605, 626, 694, 1210, 1565, 1735, 3130, 3443, 3470, 3817, 6886, 7634, 17215, 19085, 34430, 37873, 38170, 41987, 75746, 83974, 108611, 189365, 209935, 217222, 378730, 419870, 543055, 1086110, 1194721, 2389442, 5973605, 11947210, 13141931, 26283862, 65709655, 131419310]

約数ペア:

[(1, 131419310), (2, 65709655), (5, 26283862), (10, 13141931), (11, 11947210), (22, 5973605), (55, 2389442), (110, 1194721), (121, 1086110), (242, 543055), (313, 419870), (347, 378730), (605, 217222), (626, 209935), (694, 189365), (1210, 108611), (1565, 83974), (1735, 75746), (3130, 41987), (3443, 38170), (3470, 37873), (3817, 34430), (6886, 19085), (7634, 17215)]