8438090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 16200000

約数和(自身を除く): 7761910

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 499, 890, 998, 1691, 2495, 3382, 4990, 8455, 9481, 16910, 18962, 44411, 47405, 88822, 94810, 222055, 444110, 843809, 1687618, 4219045, 8438090]

約数ペア:

[(1, 8438090), (2, 4219045), (5, 1687618), (10, 843809), (19, 444110), (38, 222055), (89, 94810), (95, 88822), (178, 47405), (190, 44411), (445, 18962), (499, 16910), (890, 9481), (998, 8455), (1691, 4990), (2495, 3382)]