81270350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2609}}^1$

素因数の和:2717

約数の個数: 48

約数和(自身を含む): 174765600

約数和(自身を除く): 93495250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 175, 178, 350, 445, 623, 890, 1246, 2225, 2609, 3115, 4450, 5218, 6230, 13045, 15575, 18263, 26090, 31150, 36526, 65225, 91315, 130450, 182630, 232201, 456575, 464402, 913150, 1161005, 1625407, 2322010, 3250814, 5805025, 8127035, 11610050, 16254070, 40635175, 81270350]

約数ペア:

[(1, 81270350), (2, 40635175), (5, 16254070), (7, 11610050), (10, 8127035), (14, 5805025), (25, 3250814), (35, 2322010), (50, 1625407), (70, 1161005), (89, 913150), (175, 464402), (178, 456575), (350, 232201), (445, 182630), (623, 130450), (890, 91315), (1246, 65225), (2225, 36526), (2609, 31150), (3115, 26090), (4450, 18263), (5218, 15575), (6230, 13045)]