170620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 378000

約数和(自身を除く): 207380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 449, 898, 1796, 2245, 4490, 8531, 8980, 17062, 34124, 42655, 85310, 170620]

約数ペア:

[(1, 170620), (2, 85310), (4, 42655), (5, 34124), (10, 17062), (19, 8980), (20, 8531), (38, 4490), (76, 2245), (95, 1796), (190, 898), (380, 449)]