2021565140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{80669}}^1$

素因数の和:80864

約数の個数: 48

約数和(自身を含む): 4878921600

約数和(自身を除く): 2857356460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 12530, 25060, 80669, 161338, 322676, 403345, 564683, 806690, 1129366, 1613380, 2258732, 2823415, 5646830, 11293660, 14439751, 28879502, 57759004, 72198755, 101078257, 144397510, 202156514, 288795020, 404313028, 505391285, 1010782570, 2021565140]

約数ペア:

[(1, 2021565140), (2, 1010782570), (4, 505391285), (5, 404313028), (7, 288795020), (10, 202156514), (14, 144397510), (20, 101078257), (28, 72198755), (35, 57759004), (70, 28879502), (140, 14439751), (179, 11293660), (358, 5646830), (716, 2823415), (895, 2258732), (1253, 1613380), (1790, 1129366), (2506, 806690), (3580, 564683), (5012, 403345), (6265, 322676), (12530, 161338), (25060, 80669)]