320199400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{84263}}^1$

素因数の和:84298

約数の個数: 48

約数和(自身を含む): 783655200

約数和(自身を除く): 463455800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 84263, 168526, 337052, 421315, 674104, 842630, 1600997, 1685260, 2106575, 3201994, 3370520, 4213150, 6403988, 8004985, 8426300, 12807976, 16009970, 16852600, 32019940, 40024925, 64039880, 80049850, 160099700, 320199400]

約数ペア:

[(1, 320199400), (2, 160099700), (4, 80049850), (5, 64039880), (8, 40024925), (10, 32019940), (19, 16852600), (20, 16009970), (25, 12807976), (38, 8426300), (40, 8004985), (50, 6403988), (76, 4213150), (95, 3370520), (100, 3201994), (152, 2106575), (190, 1685260), (200, 1600997), (380, 842630), (475, 674104), (760, 421315), (950, 337052), (1900, 168526), (3800, 84263)]