31368580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 68012784

約数和(自身を除く): 36644204

約数列:

[1, 2, 4, 5, 10, 20, 53, 101, 106, 202, 212, 265, 293, 404, 505, 530, 586, 1010, 1060, 1172, 1465, 2020, 2930, 5353, 5860, 10706, 15529, 21412, 26765, 29593, 31058, 53530, 59186, 62116, 77645, 107060, 118372, 147965, 155290, 295930, 310580, 591860, 1568429, 3136858, 6273716, 7842145, 15684290, 31368580]

約数ペア:

[(1, 31368580), (2, 15684290), (4, 7842145), (5, 6273716), (10, 3136858), (20, 1568429), (53, 591860), (101, 310580), (106, 295930), (202, 155290), (212, 147965), (265, 118372), (293, 107060), (404, 77645), (505, 62116), (530, 59186), (586, 53530), (1010, 31058), (1060, 29593), (1172, 26765), (1465, 21412), (2020, 15529), (2930, 10706), (5353, 5860)]