7131583880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{493877}}^1$

素因数の和:493926

約数の個数: 48

約数和(自身を含む): 16935076620

約数和(自身を除く): 9803492740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 493877, 987754, 1975508, 2469385, 3951016, 4938770, 9383663, 9877540, 18767326, 19755080, 37534652, 46918315, 75069304, 93836630, 178289597, 187673260, 356579194, 375346520, 713158388, 891447985, 1426316776, 1782895970, 3565791940, 7131583880]

約数ペア:

[(1, 7131583880), (2, 3565791940), (4, 1782895970), (5, 1426316776), (8, 891447985), (10, 713158388), (19, 375346520), (20, 356579194), (38, 187673260), (40, 178289597), (76, 93836630), (95, 75069304), (152, 46918315), (190, 37534652), (361, 19755080), (380, 18767326), (722, 9877540), (760, 9383663), (1444, 4938770), (1805, 3951016), (2888, 2469385), (3610, 1975508), (7220, 987754), (14440, 493877)]