30987850

素因数分解:

$2^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{1399}}^1$

素因数の和:1854

約数の個数: 24

約数和(自身を含む): 57808800

約数和(自身を除く): 26820950

約数列:

[1, 2, 5, 10, 25, 50, 443, 886, 1399, 2215, 2798, 4430, 6995, 11075, 13990, 22150, 34975, 69950, 619757, 1239514, 3098785, 6197570, 15493925, 30987850]

約数ペア:

[(1, 30987850), (2, 15493925), (5, 6197570), (10, 3098785), (25, 1239514), (50, 619757), (443, 69950), (886, 34975), (1399, 22150), (2215, 13990), (2798, 11075), (4430, 6995)]