217873180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{37957}}^1$

素因数の和:38014

約数の個数: 48

約数和(自身を含む): 535663296

約数和(自身を除く): 317790116

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, 37957, 75914, 151828, 189785, 265699, 379570, 531398, 759140, 1062796, 1328495, 1556237, 2656990, 3112474, 5313980, 6224948, 7781185, 10893659, 15562370, 21787318, 31124740, 43574636, 54468295, 108936590, 217873180]

約数ペア:

[(1, 217873180), (2, 108936590), (4, 54468295), (5, 43574636), (7, 31124740), (10, 21787318), (14, 15562370), (20, 10893659), (28, 7781185), (35, 6224948), (41, 5313980), (70, 3112474), (82, 2656990), (140, 1556237), (164, 1328495), (205, 1062796), (287, 759140), (410, 531398), (574, 379570), (820, 265699), (1148, 189785), (1435, 151828), (2870, 75914), (5740, 37957)]