1197820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 2878848

約数和(自身を除く): 1681028

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 271, 340, 442, 542, 884, 1084, 1105, 1355, 2210, 2710, 3523, 4420, 4607, 5420, 7046, 9214, 14092, 17615, 18428, 23035, 35230, 46070, 59891, 70460, 92140, 119782, 239564, 299455, 598910, 1197820]

約数ペア:

[(1, 1197820), (2, 598910), (4, 299455), (5, 239564), (10, 119782), (13, 92140), (17, 70460), (20, 59891), (26, 46070), (34, 35230), (52, 23035), (65, 18428), (68, 17615), (85, 14092), (130, 9214), (170, 7046), (221, 5420), (260, 4607), (271, 4420), (340, 3523), (442, 2710), (542, 2210), (884, 1355), (1084, 1105)]