30414980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21419}}^1$

素因数の和:21499

約数の個数: 24

約数和(自身を含む): 64774080

約数和(自身を除く): 34359100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21419, 42838, 85676, 107095, 214190, 428380, 1520749, 3041498, 6082996, 7603745, 15207490, 30414980]

約数ペア:

[(1, 30414980), (2, 15207490), (4, 7603745), (5, 6082996), (10, 3041498), (20, 1520749), (71, 428380), (142, 214190), (284, 107095), (355, 85676), (710, 42838), (1420, 21419)]