63830420

素因数分解:

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

素因数の和:728

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 74063980

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 569, 710, 790, 1138, 1420, 1580, 2276, 2845, 5609, 5690, 11218, 11380, 22436, 28045, 40399, 44951, 56090, 80798, 89902, 112180, 161596, 179804, 201995, 224755, 403990, 449510, 807980, 899020, 3191521, 6383042, 12766084, 15957605, 31915210, 63830420]

約数ペア:

[(1, 63830420), (2, 31915210), (4, 15957605), (5, 12766084), (10, 6383042), (20, 3191521), (71, 899020), (79, 807980), (142, 449510), (158, 403990), (284, 224755), (316, 201995), (355, 179804), (395, 161596), (569, 112180), (710, 89902), (790, 80798), (1138, 56090), (1420, 44951), (1580, 40399), (2276, 28045), (2845, 22436), (5609, 11380), (5690, 11218)]