1421260

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 3008880

約数和(自身を除く): 1587620

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 397, 716, 794, 895, 1588, 1790, 1985, 3580, 3970, 7940, 71063, 142126, 284252, 355315, 710630, 1421260]

約数ペア:

[(1, 1421260), (2, 710630), (4, 355315), (5, 284252), (10, 142126), (20, 71063), (179, 7940), (358, 3970), (397, 3580), (716, 1985), (794, 1790), (895, 1588)]