90232660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{644519}}^1$

素因数の和:644535

約数の個数: 24

約数和(自身を含む): 216558720

約数和(自身を除く): 126326060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 644519, 1289038, 2578076, 3222595, 4511633, 6445190, 9023266, 12890380, 18046532, 22558165, 45116330, 90232660]

約数ペア:

[(1, 90232660), (2, 45116330), (4, 22558165), (5, 18046532), (7, 12890380), (10, 9023266), (14, 6445190), (20, 4511633), (28, 3222595), (35, 2578076), (70, 1289038), (140, 644519)]