291211340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2080081}}^1$

素因数の和:2080097

約数の個数: 24

約数和(自身を含む): 698907552

約数和(自身を除く): 407696212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2080081, 4160162, 8320324, 10400405, 14560567, 20800810, 29121134, 41601620, 58242268, 72802835, 145605670, 291211340]

約数ペア:

[(1, 291211340), (2, 145605670), (4, 72802835), (5, 58242268), (7, 41601620), (10, 29121134), (14, 20800810), (20, 14560567), (28, 10400405), (35, 8320324), (70, 4160162), (140, 2080081)]