291225640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{428273}}^1$

素因数の和:428301

約数の個数: 32

約数和(自身を含む): 693803880

約数和(自身を除く): 402578240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 428273, 856546, 1713092, 2141365, 3426184, 4282730, 7280641, 8565460, 14561282, 17130920, 29122564, 36403205, 58245128, 72806410, 145612820, 291225640]

約数ペア:

[(1, 291225640), (2, 145612820), (4, 72806410), (5, 58245128), (8, 36403205), (10, 29122564), (17, 17130920), (20, 14561282), (34, 8565460), (40, 7280641), (68, 4282730), (85, 3426184), (136, 2141365), (170, 1713092), (340, 856546), (680, 428273)]