68349980

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{5521}}^1$

素因数の和:6149

約数の個数: 24

約数和(自身を含む): 143792880

約数和(自身を除く): 75442900

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 5521, 6190, 11042, 12380, 22084, 27605, 55210, 110420, 3417499, 6834998, 13669996, 17087495, 34174990, 68349980]

約数ペア:

[(1, 68349980), (2, 34174990), (4, 17087495), (5, 13669996), (10, 6834998), (20, 3417499), (619, 110420), (1238, 55210), (2476, 27605), (3095, 22084), (5521, 12380), (6190, 11042)]