39480770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 83290680

約数和(自身を除く): 43809910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 394, 409, 490, 818, 985, 1379, 1970, 2045, 2758, 2863, 4090, 5726, 6895, 9653, 13790, 14315, 19306, 20041, 28630, 40082, 48265, 80573, 96530, 100205, 161146, 200410, 402865, 564011, 805730, 1128022, 2820055, 3948077, 5640110, 7896154, 19740385, 39480770]

約数ペア:

[(1, 39480770), (2, 19740385), (5, 7896154), (7, 5640110), (10, 3948077), (14, 2820055), (35, 1128022), (49, 805730), (70, 564011), (98, 402865), (197, 200410), (245, 161146), (394, 100205), (409, 96530), (490, 80573), (818, 48265), (985, 40082), (1379, 28630), (1970, 20041), (2045, 19306), (2758, 14315), (2863, 13790), (4090, 9653), (5726, 6895)]