520079620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{6451}}^1$

素因数の和:6628

約数の個数: 48

約数和(自身を含む): 1138132800

約数和(自身を除く): 618053180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 6451, 8062, 12902, 16124, 20155, 25804, 32255, 40310, 64510, 80620, 129020, 187079, 374158, 748316, 896689, 935395, 1793378, 1870790, 3586756, 3741580, 4483445, 8966890, 17933780, 26003981, 52007962, 104015924, 130019905, 260039810, 520079620]

約数ペア:

[(1, 520079620), (2, 260039810), (4, 130019905), (5, 104015924), (10, 52007962), (20, 26003981), (29, 17933780), (58, 8966890), (116, 4483445), (139, 3741580), (145, 3586756), (278, 1870790), (290, 1793378), (556, 935395), (580, 896689), (695, 748316), (1390, 374158), (2780, 187079), (4031, 129020), (6451, 80620), (8062, 64510), (12902, 40310), (16124, 32255), (20155, 25804)]