31915210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 59097600

約数和(自身を除く): 27182390

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 569, 710, 790, 1138, 2845, 5609, 5690, 11218, 28045, 40399, 44951, 56090, 80798, 89902, 201995, 224755, 403990, 449510, 3191521, 6383042, 15957605, 31915210]

約数ペア:

[(1, 31915210), (2, 15957605), (5, 6383042), (10, 3191521), (71, 449510), (79, 403990), (142, 224755), (158, 201995), (355, 89902), (395, 80798), (569, 56090), (710, 44951), (790, 40399), (1138, 28045), (2845, 11218), (5609, 5690)]