221409830

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^2\times {\mathrm{2087}}^1$

素因数の和:2300

約数の個数: 24

約数和(自身を含む): 402637392

約数和(自身を除く): 181227562

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 2087, 4174, 10435, 10609, 20870, 21218, 53045, 106090, 214961, 429922, 1074805, 2149610, 22140983, 44281966, 110704915, 221409830]

約数ペア:

[(1, 221409830), (2, 110704915), (5, 44281966), (10, 22140983), (103, 2149610), (206, 1074805), (515, 429922), (1030, 214961), (2087, 106090), (4174, 53045), (10435, 21218), (10609, 20870)]