349764760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{66749}}^1$

素因数の和:66891

約数の個数: 32

約数和(自身を含む): 792990000

約数和(自身を除く): 443225240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 66749, 133498, 266996, 333745, 533992, 667490, 1334980, 2669960, 8744119, 17488238, 34976476, 43720595, 69952952, 87441190, 174882380, 349764760]

約数ペア:

[(1, 349764760), (2, 174882380), (4, 87441190), (5, 69952952), (8, 43720595), (10, 34976476), (20, 17488238), (40, 8744119), (131, 2669960), (262, 1334980), (524, 667490), (655, 533992), (1048, 333745), (1310, 266996), (2620, 133498), (5240, 66749)]