878431540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{118387}}^1$

素因数の和:118456

約数の個数: 48

約数和(自身を含む): 2148031872

約数和(自身を除く): 1269600332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 118387, 236774, 473548, 591935, 828709, 1183870, 1657418, 2367740, 3314836, 4143545, 6274511, 8287090, 12549022, 16574180, 25098044, 31372555, 43921577, 62745110, 87843154, 125490220, 175686308, 219607885, 439215770, 878431540]

約数ペア:

[(1, 878431540), (2, 439215770), (4, 219607885), (5, 175686308), (7, 125490220), (10, 87843154), (14, 62745110), (20, 43921577), (28, 31372555), (35, 25098044), (53, 16574180), (70, 12549022), (106, 8287090), (140, 6274511), (212, 4143545), (265, 3314836), (371, 2367740), (530, 1657418), (742, 1183870), (1060, 828709), (1484, 591935), (1855, 473548), (3710, 236774), (7420, 118387)]