219797410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{28807}}^1$

素因数の和:28930

約数の個数: 32

約数和(自身を含む): 456318720

約数和(自身を除く): 236521310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 28807, 57614, 144035, 201649, 288070, 403298, 1008245, 2016490, 3139963, 6279926, 15699815, 21979741, 31399630, 43959482, 109898705, 219797410]

約数ペア:

[(1, 219797410), (2, 109898705), (5, 43959482), (7, 31399630), (10, 21979741), (14, 15699815), (35, 6279926), (70, 3139963), (109, 2016490), (218, 1008245), (545, 403298), (763, 288070), (1090, 201649), (1526, 144035), (3815, 57614), (7630, 28807)]