1277980250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^2\times {\mathrm{3041}}^1$

素因数の和:3140

約数の個数: 48

約数和(自身を含む): 2452959288

約数和(自身を除く): 1174979038

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 1681, 2050, 3041, 3362, 5125, 6082, 8405, 10250, 15205, 16810, 30410, 42025, 76025, 84050, 124681, 152050, 210125, 249362, 380125, 420250, 623405, 760250, 1246810, 3117025, 5111921, 6234050, 10223842, 15585125, 25559605, 31170250, 51119210, 127798025, 255596050, 638990125, 1277980250]

約数ペア:

[(1, 1277980250), (2, 638990125), (5, 255596050), (10, 127798025), (25, 51119210), (41, 31170250), (50, 25559605), (82, 15585125), (125, 10223842), (205, 6234050), (250, 5111921), (410, 3117025), (1025, 1246810), (1681, 760250), (2050, 623405), (3041, 420250), (3362, 380125), (5125, 249362), (6082, 210125), (8405, 152050), (10250, 124681), (15205, 84050), (16810, 76025), (30410, 42025)]