13685140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 33062400

約数和(自身を除く): 19377260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 409, 478, 818, 956, 1195, 1636, 1673, 2045, 2390, 2863, 3346, 4090, 4780, 5726, 6692, 8180, 8365, 11452, 14315, 16730, 28630, 33460, 57260, 97751, 195502, 391004, 488755, 684257, 977510, 1368514, 1955020, 2737028, 3421285, 6842570, 13685140]

約数ペア:

[(1, 13685140), (2, 6842570), (4, 3421285), (5, 2737028), (7, 1955020), (10, 1368514), (14, 977510), (20, 684257), (28, 488755), (35, 391004), (70, 195502), (140, 97751), (239, 57260), (409, 33460), (478, 28630), (818, 16730), (956, 14315), (1195, 11452), (1636, 8365), (1673, 8180), (2045, 6692), (2390, 5726), (2863, 4780), (3346, 4090)]