4428980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3199

約数の個数: 24

約数和(自身を含む): 9434880

約数和(自身を除く): 5005900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3119, 6238, 12476, 15595, 31190, 62380, 221449, 442898, 885796, 1107245, 2214490, 4428980]

約数ペア:

[(1, 4428980), (2, 2214490), (4, 1107245), (5, 885796), (10, 442898), (20, 221449), (71, 62380), (142, 31190), (284, 15595), (355, 12476), (710, 6238), (1420, 3119)]