2990497360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{911737}}^1$

素因数の和:911791

約数の個数: 40

約数和(自身を含む): 7122497256

約数和(自身を除く): 4131999896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 911737, 1823474, 3646948, 4558685, 7293896, 9117370, 14587792, 18234740, 36469480, 37381217, 72938960, 74762434, 149524868, 186906085, 299049736, 373812170, 598099472, 747624340, 1495248680, 2990497360]

約数ペア:

[(1, 2990497360), (2, 1495248680), (4, 747624340), (5, 598099472), (8, 373812170), (10, 299049736), (16, 186906085), (20, 149524868), (40, 74762434), (41, 72938960), (80, 37381217), (82, 36469480), (164, 18234740), (205, 14587792), (328, 9117370), (410, 7293896), (656, 4558685), (820, 3646948), (1640, 1823474), (3280, 911737)]