478420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 1058400

約数和(自身を除く): 579980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1259, 2518, 5036, 6295, 12590, 23921, 25180, 47842, 95684, 119605, 239210, 478420]

約数ペア:

[(1, 478420), (2, 239210), (4, 119605), (5, 95684), (10, 47842), (19, 25180), (20, 23921), (38, 12590), (76, 6295), (95, 5036), (190, 2518), (380, 1259)]