68805980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 151139520

約数和(自身を除く): 82333540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 580, 970, 1223, 1940, 2446, 2813, 4892, 5626, 6115, 11252, 12230, 14065, 24460, 28130, 35467, 56260, 70934, 118631, 141868, 177335, 237262, 354670, 474524, 593155, 709340, 1186310, 2372620, 3440299, 6880598, 13761196, 17201495, 34402990, 68805980]

約数ペア:

[(1, 68805980), (2, 34402990), (4, 17201495), (5, 13761196), (10, 6880598), (20, 3440299), (29, 2372620), (58, 1186310), (97, 709340), (116, 593155), (145, 474524), (194, 354670), (290, 237262), (388, 177335), (485, 141868), (580, 118631), (970, 70934), (1223, 56260), (1940, 35467), (2446, 28130), (2813, 24460), (4892, 14065), (5626, 12230), (6115, 11252)]