1828760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 4158000

約数和(自身を除く): 2329240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 349, 524, 655, 698, 1048, 1310, 1396, 1745, 2620, 2792, 3490, 5240, 6980, 13960, 45719, 91438, 182876, 228595, 365752, 457190, 914380, 1828760]

約数ペア:

[(1, 1828760), (2, 914380), (4, 457190), (5, 365752), (8, 228595), (10, 182876), (20, 91438), (40, 45719), (131, 13960), (262, 6980), (349, 5240), (524, 3490), (655, 2792), (698, 2620), (1048, 1745), (1310, 1396)]