1399660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 3003840

約数和(自身を除く): 1604180

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1489, 2978, 5956, 7445, 14890, 29780, 69983, 139966, 279932, 349915, 699830, 1399660]

約数ペア:

[(1, 1399660), (2, 699830), (4, 349915), (5, 279932), (10, 139966), (20, 69983), (47, 29780), (94, 14890), (188, 7445), (235, 5956), (470, 2978), (940, 1489)]