320401340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2288581}}^1$

素因数の和:2288597

約数の個数: 24

約数和(自身を含む): 768963552

約数和(自身を除く): 448562212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2288581, 4577162, 9154324, 11442905, 16020067, 22885810, 32040134, 45771620, 64080268, 80100335, 160200670, 320401340]

約数ペア:

[(1, 320401340), (2, 160200670), (4, 80100335), (5, 64080268), (7, 45771620), (10, 32040134), (14, 22885810), (20, 16020067), (28, 11442905), (35, 9154324), (70, 4577162), (140, 2288581)]