30726740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12697}}^1$

素因数の和:12728

約数の個数: 36

約数和(自身を含む): 70931028

約数和(自身を除く): 40204288

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12697, 25394, 50788, 63485, 126970, 139667, 253940, 279334, 558668, 698335, 1396670, 1536337, 2793340, 3072674, 6145348, 7681685, 15363370, 30726740]

約数ペア:

[(1, 30726740), (2, 15363370), (4, 7681685), (5, 6145348), (10, 3072674), (11, 2793340), (20, 1536337), (22, 1396670), (44, 698335), (55, 558668), (110, 279334), (121, 253940), (220, 139667), (242, 126970), (484, 63485), (605, 50788), (1210, 25394), (2420, 12697)]