71315810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 136628856

約数和(自身を除く): 65313046

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 181, 205, 310, 362, 410, 905, 961, 1271, 1810, 1922, 2542, 4805, 5611, 6355, 7421, 9610, 11222, 12710, 14842, 28055, 37105, 39401, 56110, 74210, 78802, 173941, 197005, 230051, 347882, 394010, 460102, 869705, 1150255, 1739410, 2300510, 7131581, 14263162, 35657905, 71315810]

約数ペア:

[(1, 71315810), (2, 35657905), (5, 14263162), (10, 7131581), (31, 2300510), (41, 1739410), (62, 1150255), (82, 869705), (155, 460102), (181, 394010), (205, 347882), (310, 230051), (362, 197005), (410, 173941), (905, 78802), (961, 74210), (1271, 56110), (1810, 39401), (1922, 37105), (2542, 28055), (4805, 14842), (5611, 12710), (6355, 11222), (7421, 9610)]