30815675

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 42945168

約数和(自身を除く): 12129493

約数列:

[1, 5, 11, 25, 55, 61, 121, 167, 275, 305, 605, 671, 835, 1525, 1837, 3025, 3355, 4175, 7381, 9185, 10187, 16775, 20207, 36905, 45925, 50935, 101035, 112057, 184525, 254675, 505175, 560285, 1232627, 2801425, 6163135, 30815675]

約数ペア:

[(1, 30815675), (5, 6163135), (11, 2801425), (25, 1232627), (55, 560285), (61, 505175), (121, 254675), (167, 184525), (275, 112057), (305, 101035), (605, 50935), (671, 45925), (835, 36905), (1525, 20207), (1837, 16775), (3025, 10187), (3355, 9185), (4175, 7381)]