581980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4157}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 1397088

約数和(自身を除く): 815108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4157, 8314, 16628, 20785, 29099, 41570, 58198, 83140, 116396, 145495, 290990, 581980]

約数ペア:

[(1, 581980), (2, 290990), (4, 145495), (5, 116396), (7, 83140), (10, 58198), (14, 41570), (20, 29099), (28, 20785), (35, 16628), (70, 8314), (140, 4157)]