30712825

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 45747072

約数和(自身を除く): 15034247

約数列:

[1, 5, 11, 13, 25, 55, 65, 71, 121, 143, 275, 325, 355, 605, 715, 781, 923, 1331, 1573, 1775, 3025, 3575, 3905, 4615, 6655, 7865, 8591, 10153, 17303, 19525, 23075, 33275, 39325, 42955, 50765, 86515, 94501, 111683, 214775, 253825, 432575, 472505, 558415, 1228513, 2362525, 2792075, 6142565, 30712825]

約数ペア:

[(1, 30712825), (5, 6142565), (11, 2792075), (13, 2362525), (25, 1228513), (55, 558415), (65, 472505), (71, 432575), (121, 253825), (143, 214775), (275, 111683), (325, 94501), (355, 86515), (605, 50765), (715, 42955), (781, 39325), (923, 33275), (1331, 23075), (1573, 19525), (1775, 17303), (3025, 10153), (3575, 8591), (3905, 7865), (4615, 6655)]