68597780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 147087360

約数和(自身を除く): 78489580

約数列:

[1, 2, 4, 5, 10, 20, 113, 127, 226, 239, 254, 452, 478, 508, 565, 635, 956, 1130, 1195, 1270, 2260, 2390, 2540, 4780, 14351, 27007, 28702, 30353, 54014, 57404, 60706, 71755, 108028, 121412, 135035, 143510, 151765, 270070, 287020, 303530, 540140, 607060, 3429889, 6859778, 13719556, 17149445, 34298890, 68597780]

約数ペア:

[(1, 68597780), (2, 34298890), (4, 17149445), (5, 13719556), (10, 6859778), (20, 3429889), (113, 607060), (127, 540140), (226, 303530), (239, 287020), (254, 270070), (452, 151765), (478, 143510), (508, 135035), (565, 121412), (635, 108028), (956, 71755), (1130, 60706), (1195, 57404), (1270, 54014), (2260, 30353), (2390, 28702), (2540, 27007), (4780, 14351)]