205493680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{366953}}^1$

素因数の和:366973

約数の個数: 40

約数和(自身を含む): 546027552

約数和(自身を除く): 340533872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 366953, 733906, 1467812, 1834765, 2568671, 2935624, 3669530, 5137342, 5871248, 7339060, 10274684, 12843355, 14678120, 20549368, 25686710, 29356240, 41098736, 51373420, 102746840, 205493680]

約数ペア:

[(1, 205493680), (2, 102746840), (4, 51373420), (5, 41098736), (7, 29356240), (8, 25686710), (10, 20549368), (14, 14678120), (16, 12843355), (20, 10274684), (28, 7339060), (35, 5871248), (40, 5137342), (56, 3669530), (70, 2935624), (80, 2568671), (112, 1834765), (140, 1467812), (280, 733906), (560, 366953)]