219035660

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{8999}}^1$

素因数の和:10225

約数の個数: 24

約数和(自身を含む): 460404000

約数和(自身を除く): 241368340

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 4868, 6085, 8999, 12170, 17998, 24340, 35996, 44995, 89990, 179980, 10951783, 21903566, 43807132, 54758915, 109517830, 219035660]

約数ペア:

[(1, 219035660), (2, 109517830), (4, 54758915), (5, 43807132), (10, 21903566), (20, 10951783), (1217, 179980), (2434, 89990), (4868, 44995), (6085, 35996), (8999, 24340), (12170, 17998)]