30899980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{8089}}^1$

素因数の和:8289

約数の個数: 24

約数和(自身を含む): 65237760

約数和(自身を除く): 34337780

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 8089, 16178, 32356, 40445, 80890, 161780, 1544999, 3089998, 6179996, 7724995, 15449990, 30899980]

約数ペア:

[(1, 30899980), (2, 15449990), (4, 7724995), (5, 6179996), (10, 3089998), (20, 1544999), (191, 161780), (382, 80890), (764, 40445), (955, 32356), (1910, 16178), (3820, 8089)]