642998020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4592843}}^1$

素因数の和:4592859

約数の個数: 24

約数和(自身を含む): 1543195584

約数和(自身を除く): 900197564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4592843, 9185686, 18371372, 22964215, 32149901, 45928430, 64299802, 91856860, 128599604, 160749505, 321499010, 642998020]

約数ペア:

[(1, 642998020), (2, 321499010), (4, 160749505), (5, 128599604), (7, 91856860), (10, 64299802), (14, 45928430), (20, 32149901), (28, 22964215), (35, 18371372), (70, 9185686), (140, 4592843)]