2891300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 36

約数和(自身を含む): 6496980

約数和(自身を除く): 3605680

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 997, 1450, 1994, 2900, 3988, 4985, 9970, 19940, 24925, 28913, 49850, 57826, 99700, 115652, 144565, 289130, 578260, 722825, 1445650, 2891300]

約数ペア:

[(1, 2891300), (2, 1445650), (4, 722825), (5, 578260), (10, 289130), (20, 144565), (25, 115652), (29, 99700), (50, 57826), (58, 49850), (100, 28913), (116, 24925), (145, 19940), (290, 9970), (580, 4985), (725, 3988), (997, 2900), (1450, 1994)]