128247140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7213}}^1$

素因数の和:7356

約数の個数: 48

約数和(自身を含む): 310259712

約数和(自身を除く): 182012572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 7213, 8890, 14426, 17780, 28852, 36065, 50491, 72130, 100982, 144260, 201964, 252455, 504910, 916051, 1009820, 1832102, 3664204, 4580255, 6412357, 9160510, 12824714, 18321020, 25649428, 32061785, 64123570, 128247140]

約数ペア:

[(1, 128247140), (2, 64123570), (4, 32061785), (5, 25649428), (7, 18321020), (10, 12824714), (14, 9160510), (20, 6412357), (28, 4580255), (35, 3664204), (70, 1832102), (127, 1009820), (140, 916051), (254, 504910), (508, 252455), (635, 201964), (889, 144260), (1270, 100982), (1778, 72130), (2540, 50491), (3556, 36065), (4445, 28852), (7213, 17780), (8890, 14426)]