139746180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{332729}}^1$

素因数の和:332748

約数の個数: 48

約数和(自身を含む): 447189120

約数和(自身を除く): 307442940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 332729, 665458, 998187, 1330916, 1663645, 1996374, 2329103, 3327290, 3992748, 4658206, 4990935, 6654580, 6987309, 9316412, 9981870, 11645515, 13974618, 19963740, 23291030, 27949236, 34936545, 46582060, 69873090, 139746180]

約数ペア:

[(1, 139746180), (2, 69873090), (3, 46582060), (4, 34936545), (5, 27949236), (6, 23291030), (7, 19963740), (10, 13974618), (12, 11645515), (14, 9981870), (15, 9316412), (20, 6987309), (21, 6654580), (28, 4990935), (30, 4658206), (35, 3992748), (42, 3327290), (60, 2329103), (70, 1996374), (84, 1663645), (105, 1330916), (140, 998187), (210, 665458), (420, 332729)]