7905980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 17629920

約数和(自身を除く): 9723940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 317, 430, 580, 634, 860, 1247, 1268, 1585, 2494, 3170, 4988, 6235, 6340, 9193, 12470, 13631, 18386, 24940, 27262, 36772, 45965, 54524, 68155, 91930, 136310, 183860, 272620, 395299, 790598, 1581196, 1976495, 3952990, 7905980]

約数ペア:

[(1, 7905980), (2, 3952990), (4, 1976495), (5, 1581196), (10, 790598), (20, 395299), (29, 272620), (43, 183860), (58, 136310), (86, 91930), (116, 68155), (145, 54524), (172, 45965), (215, 36772), (290, 27262), (317, 24940), (430, 18386), (580, 13631), (634, 12470), (860, 9193), (1247, 6340), (1268, 6235), (1585, 4988), (2494, 3170)]