308165780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{8527}}^1$

素因数の和:8688

約数の個数: 48

約数和(自身を含む): 702024960

約数和(自身を除く): 393859180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 8527, 9035, 17054, 18070, 34108, 36140, 42635, 85270, 110851, 170540, 221702, 443404, 554255, 1108510, 1185253, 2217020, 2370506, 4741012, 5926265, 11852530, 15408289, 23705060, 30816578, 61633156, 77041445, 154082890, 308165780]

約数ペア:

[(1, 308165780), (2, 154082890), (4, 77041445), (5, 61633156), (10, 30816578), (13, 23705060), (20, 15408289), (26, 11852530), (52, 5926265), (65, 4741012), (130, 2370506), (139, 2217020), (260, 1185253), (278, 1108510), (556, 554255), (695, 443404), (1390, 221702), (1807, 170540), (2780, 110851), (3614, 85270), (7228, 42635), (8527, 36140), (9035, 34108), (17054, 18070)]