2912154980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20801107}}^1$

素因数の和:20801123

約数の個数: 24

約数和(自身を含む): 6989172288

約数和(自身を除く): 4077017308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20801107, 41602214, 83204428, 104005535, 145607749, 208011070, 291215498, 416022140, 582430996, 728038745, 1456077490, 2912154980]

約数ペア:

[(1, 2912154980), (2, 1456077490), (4, 728038745), (5, 582430996), (7, 416022140), (10, 291215498), (14, 208011070), (20, 145607749), (28, 104005535), (35, 83204428), (70, 41602214), (140, 20801107)]