30954580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21799}}^1$

素因数の和:21879

約数の個数: 24

約数和(自身を含む): 65923200

約数和(自身を除く): 34968620

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21799, 43598, 87196, 108995, 217990, 435980, 1547729, 3095458, 6190916, 7738645, 15477290, 30954580]

約数ペア:

[(1, 30954580), (2, 15477290), (4, 7738645), (5, 6190916), (10, 3095458), (20, 1547729), (71, 435980), (142, 217990), (284, 108995), (355, 87196), (710, 43598), (1420, 21799)]