30984490

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22291}}^1$

素因数の和:22437

約数の個数: 16

約数和(自身を含む): 56175840

約数和(自身を除く): 25191350

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 22291, 44582, 111455, 222910, 3098449, 6196898, 15492245, 30984490]

約数ペア:

[(1, 30984490), (2, 15492245), (5, 6196898), (10, 3098449), (139, 222910), (278, 111455), (695, 44582), (1390, 22291)]