30831710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2037

約数の個数: 64

約数和(自身を含む): 72358272

約数和(自身を除く): 41526562

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 1993, 2210, 3094, 3986, 7735, 9965, 13951, 15470, 19930, 25909, 27902, 33881, 51818, 67762, 69755, 129545, 139510, 169405, 181363, 237167, 259090, 338810, 362726, 440453, 474334, 880906, 906815, 1185835, 1813630, 2202265, 2371670, 3083171, 4404530, 6166342, 15415855, 30831710]

約数ペア:

[(1, 30831710), (2, 15415855), (5, 6166342), (7, 4404530), (10, 3083171), (13, 2371670), (14, 2202265), (17, 1813630), (26, 1185835), (34, 906815), (35, 880906), (65, 474334), (70, 440453), (85, 362726), (91, 338810), (119, 259090), (130, 237167), (170, 181363), (182, 169405), (221, 139510), (238, 129545), (442, 69755), (455, 67762), (595, 51818), (910, 33881), (1105, 27902), (1190, 25909), (1547, 19930), (1993, 15470), (2210, 13951), (3094, 9965), (3986, 7735)]