2017190980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{351427}}^1$

素因数の和:351484

約数の個数: 48

約数和(自身を含む): 4959351936

約数和(自身を除く): 2942160956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 351427, 702854, 1405708, 1757135, 2459989, 3514270, 4919978, 7028540, 9839956, 12299945, 14408507, 24599890, 28817014, 49199780, 57634028, 72042535, 100859549, 144085070, 201719098, 288170140, 403438196, 504297745, 1008595490, 2017190980]

約数ペア:

[(1, 2017190980), (2, 1008595490), (4, 504297745), (5, 403438196), (7, 288170140), (10, 201719098), (14, 144085070), (20, 100859549), (28, 72042535), (35, 57634028), (41, 49199780), (70, 28817014), (82, 24599890), (140, 14408507), (164, 12299945), (205, 9839956), (287, 7028540), (410, 4919978), (574, 3514270), (820, 2459989), (1148, 1757135), (1435, 1405708), (2870, 702854), (5740, 351427)]