681596020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4868543}}^1$

素因数の和:4868559

約数の個数: 24

約数和(自身を含む): 1635830784

約数和(自身を除く): 954234764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4868543, 9737086, 19474172, 24342715, 34079801, 48685430, 68159602, 97370860, 136319204, 170399005, 340798010, 681596020]

約数ペア:

[(1, 681596020), (2, 340798010), (4, 170399005), (5, 136319204), (7, 97370860), (10, 68159602), (14, 48685430), (20, 34079801), (28, 24342715), (35, 19474172), (70, 9737086), (140, 4868543)]