4471420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1249}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 9450000

約数和(自身を除く): 4978580

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1249, 1790, 2498, 3580, 4996, 6245, 12490, 24980, 223571, 447142, 894284, 1117855, 2235710, 4471420]

約数ペア:

[(1, 4471420), (2, 2235710), (4, 1117855), (5, 894284), (10, 447142), (20, 223571), (179, 24980), (358, 12490), (716, 6245), (895, 4996), (1249, 3580), (1790, 2498)]