213025640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313273}}^1$

素因数の和:313301

約数の個数: 32

約数和(自身を含む): 507503880

約数和(自身を除く): 294478240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 313273, 626546, 1253092, 1566365, 2506184, 3132730, 5325641, 6265460, 10651282, 12530920, 21302564, 26628205, 42605128, 53256410, 106512820, 213025640]

約数ペア:

[(1, 213025640), (2, 106512820), (4, 53256410), (5, 42605128), (8, 26628205), (10, 21302564), (17, 12530920), (20, 10651282), (34, 6265460), (40, 5325641), (68, 3132730), (85, 2506184), (136, 1566365), (170, 1253092), (340, 626546), (680, 313273)]