200620945

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{13879}}^1$

素因数の和:13957

約数の個数: 24

約数和(自身を含む): 284817600

約数和(自身を除く): 84196655

約数列:

[1, 5, 7, 35, 49, 59, 245, 295, 413, 2065, 2891, 13879, 14455, 69395, 97153, 485765, 680071, 818861, 3400355, 4094305, 5732027, 28660135, 40124189, 200620945]

約数ペア:

[(1, 200620945), (5, 40124189), (7, 28660135), (35, 5732027), (49, 4094305), (59, 3400355), (245, 818861), (295, 680071), (413, 485765), (2065, 97153), (2891, 69395), (13879, 14455)]