7145020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 15805440

約数和(自身を除く): 8660420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 127, 145, 194, 254, 290, 388, 485, 508, 580, 635, 970, 1270, 1940, 2540, 2813, 3683, 5626, 7366, 11252, 12319, 14065, 14732, 18415, 24638, 28130, 36830, 49276, 56260, 61595, 73660, 123190, 246380, 357251, 714502, 1429004, 1786255, 3572510, 7145020]

約数ペア:

[(1, 7145020), (2, 3572510), (4, 1786255), (5, 1429004), (10, 714502), (20, 357251), (29, 246380), (58, 123190), (97, 73660), (116, 61595), (127, 56260), (145, 49276), (194, 36830), (254, 28130), (290, 24638), (388, 18415), (485, 14732), (508, 14065), (580, 12319), (635, 11252), (970, 7366), (1270, 5626), (1940, 3683), (2540, 2813)]