31994780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 69503616

約数和(自身を除く): 37508836

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 235, 337, 404, 470, 505, 674, 940, 1010, 1348, 1685, 2020, 3370, 4747, 6740, 9494, 15839, 18988, 23735, 31678, 34037, 47470, 63356, 68074, 79195, 94940, 136148, 158390, 170185, 316780, 340370, 680740, 1599739, 3199478, 6398956, 7998695, 15997390, 31994780]

約数ペア:

[(1, 31994780), (2, 15997390), (4, 7998695), (5, 6398956), (10, 3199478), (20, 1599739), (47, 680740), (94, 340370), (101, 316780), (188, 170185), (202, 158390), (235, 136148), (337, 94940), (404, 79195), (470, 68074), (505, 63356), (674, 47470), (940, 34037), (1010, 31678), (1348, 23735), (1685, 18988), (2020, 15839), (3370, 9494), (4747, 6740)]