154923740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3163}}^1$

素因数の和:3282

約数の個数: 48

約数和(自身を含む): 340193280

約数和(自身を除く): 185269540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 3163, 4898, 6326, 9796, 12245, 12652, 15815, 24490, 31630, 48980, 63260, 98053, 196106, 249877, 392212, 490265, 499754, 980530, 999508, 1249385, 1961060, 2498770, 4997540, 7746187, 15492374, 30984748, 38730935, 77461870, 154923740]

約数ペア:

[(1, 154923740), (2, 77461870), (4, 38730935), (5, 30984748), (10, 15492374), (20, 7746187), (31, 4997540), (62, 2498770), (79, 1961060), (124, 1249385), (155, 999508), (158, 980530), (310, 499754), (316, 490265), (395, 392212), (620, 249877), (790, 196106), (1580, 98053), (2449, 63260), (3163, 48980), (4898, 31630), (6326, 24490), (9796, 15815), (12245, 12652)]