685790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 1439424

約数和(自身を除く): 753634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 101, 194, 202, 485, 505, 679, 707, 970, 1010, 1358, 1414, 3395, 3535, 6790, 7070, 9797, 19594, 48985, 68579, 97970, 137158, 342895, 685790]

約数ペア:

[(1, 685790), (2, 342895), (5, 137158), (7, 97970), (10, 68579), (14, 48985), (35, 19594), (70, 9797), (97, 7070), (101, 6790), (194, 3535), (202, 3395), (485, 1414), (505, 1358), (679, 1010), (707, 970)]