201997015640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721417913}}^1$

素因数の和:721417931

約数の個数: 32

約数和(自身を含む): 519420898080

約数和(自身を除く): 317423882440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721417913, 1442835826, 2885671652, 3607089565, 5049925391, 5771343304, 7214179130, 10099850782, 14428358260, 20199701564, 25249626955, 28856716520, 40399403128, 50499253910, 100998507820, 201997015640]

約数ペア:

[(1, 201997015640), (2, 100998507820), (4, 50499253910), (5, 40399403128), (7, 28856716520), (8, 25249626955), (10, 20199701564), (14, 14428358260), (20, 10099850782), (28, 7214179130), (35, 5771343304), (40, 5049925391), (56, 3607089565), (70, 2885671652), (140, 1442835826), (280, 721417913)]