99750740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 214099200

約数和(自身を除く): 114348460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 199, 284, 353, 355, 398, 706, 710, 796, 995, 1412, 1420, 1765, 1990, 3530, 3980, 7060, 14129, 25063, 28258, 50126, 56516, 70247, 70645, 100252, 125315, 140494, 141290, 250630, 280988, 282580, 351235, 501260, 702470, 1404940, 4987537, 9975074, 19950148, 24937685, 49875370, 99750740]

約数ペア:

[(1, 99750740), (2, 49875370), (4, 24937685), (5, 19950148), (10, 9975074), (20, 4987537), (71, 1404940), (142, 702470), (199, 501260), (284, 351235), (353, 282580), (355, 280988), (398, 250630), (706, 141290), (710, 140494), (796, 125315), (995, 100252), (1412, 70645), (1420, 70247), (1765, 56516), (1990, 50126), (3530, 28258), (3980, 25063), (7060, 14129)]