278948658520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{996245209}}^1$

素因数の和:996245227

約数の個数: 32

約数和(自身を含む): 717296551200

約数和(自身を除く): 438347892680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 996245209, 1992490418, 3984980836, 4981226045, 6973716463, 7969961672, 9962452090, 13947432926, 19924904180, 27894865852, 34868582315, 39849808360, 55789731704, 69737164630, 139474329260, 278948658520]

約数ペア:

[(1, 278948658520), (2, 139474329260), (4, 69737164630), (5, 55789731704), (7, 39849808360), (8, 34868582315), (10, 27894865852), (14, 19924904180), (20, 13947432926), (28, 9962452090), (35, 7969961672), (40, 6973716463), (56, 4981226045), (70, 3984980836), (140, 1992490418), (280, 996245209)]