201865460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 430920000

約数和(自身を除く): 229054540

約数列:

[1, 2, 4, 5, 10, 20, 113, 179, 226, 358, 452, 499, 565, 716, 895, 998, 1130, 1790, 1996, 2260, 2495, 3580, 4990, 9980, 20227, 40454, 56387, 80908, 89321, 101135, 112774, 178642, 202270, 225548, 281935, 357284, 404540, 446605, 563870, 893210, 1127740, 1786420, 10093273, 20186546, 40373092, 50466365, 100932730, 201865460]

約数ペア:

[(1, 201865460), (2, 100932730), (4, 50466365), (5, 40373092), (10, 20186546), (20, 10093273), (113, 1786420), (179, 1127740), (226, 893210), (358, 563870), (452, 446605), (499, 404540), (565, 357284), (716, 281935), (895, 225548), (998, 202270), (1130, 178642), (1790, 112774), (1996, 101135), (2260, 89321), (2495, 80908), (3580, 56387), (4990, 40454), (9980, 20227)]