2912486990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{5943851}}^1$

素因数の和:5943872

約数の個数: 24

約数和(自身を含む): 6098392152

約数和(自身を除く): 3185905162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 5943851, 11887702, 29719255, 41606957, 59438510, 83213914, 208034785, 291248699, 416069570, 582497398, 1456243495, 2912486990]

約数ペア:

[(1, 2912486990), (2, 1456243495), (5, 582497398), (7, 416069570), (10, 291248699), (14, 208034785), (35, 83213914), (49, 59438510), (70, 41606957), (98, 29719255), (245, 11887702), (490, 5943851)]