30728770

素因数分解:

$2^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4447}}^1$

素因数の和:5145

約数の個数: 16

約数和(自身を含む): 55404288

約数和(自身を除く): 24675518

約数列:

[1, 2, 5, 10, 691, 1382, 3455, 4447, 6910, 8894, 22235, 44470, 3072877, 6145754, 15364385, 30728770]

約数ペア:

[(1, 30728770), (2, 15364385), (5, 6145754), (10, 3072877), (691, 44470), (1382, 22235), (3455, 8894), (4447, 6910)]