2116255820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{212903}}^1$

素因数の和:212990

約数の個数: 48

約数和(自身を含む): 5150573568

約数和(自身を除く): 3034317748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 212903, 425806, 851612, 1064515, 1490321, 2129030, 2980642, 4258060, 5961284, 7451605, 14903210, 15116113, 29806420, 30232226, 60464452, 75580565, 105812791, 151161130, 211625582, 302322260, 423251164, 529063955, 1058127910, 2116255820]

約数ペア:

[(1, 2116255820), (2, 1058127910), (4, 529063955), (5, 423251164), (7, 302322260), (10, 211625582), (14, 151161130), (20, 105812791), (28, 75580565), (35, 60464452), (70, 30232226), (71, 29806420), (140, 15116113), (142, 14903210), (284, 7451605), (355, 5961284), (497, 4258060), (710, 2980642), (994, 2129030), (1420, 1490321), (1988, 1064515), (2485, 851612), (4970, 425806), (9940, 212903)]