86142140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1181}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 207313344

約数和(自身を除く): 121171204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 1181, 2084, 2362, 2605, 3647, 4724, 5210, 5905, 7294, 8267, 10420, 11810, 14588, 16534, 18235, 23620, 33068, 36470, 41335, 72940, 82670, 165340, 615301, 1230602, 2461204, 3076505, 4307107, 6153010, 8614214, 12306020, 17228428, 21535535, 43071070, 86142140]

約数ペア:

[(1, 86142140), (2, 43071070), (4, 21535535), (5, 17228428), (7, 12306020), (10, 8614214), (14, 6153010), (20, 4307107), (28, 3076505), (35, 2461204), (70, 1230602), (140, 615301), (521, 165340), (1042, 82670), (1181, 72940), (2084, 41335), (2362, 36470), (2605, 33068), (3647, 23620), (4724, 18235), (5210, 16534), (5905, 14588), (7294, 11810), (8267, 10420)]