222880360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{78479}}^1$

素因数の和:78561

約数の個数: 32

約数和(自身を含む): 508550400

約数和(自身を除く): 285670040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 78479, 156958, 313916, 392395, 627832, 784790, 1569580, 3139160, 5572009, 11144018, 22288036, 27860045, 44576072, 55720090, 111440180, 222880360]

約数ペア:

[(1, 222880360), (2, 111440180), (4, 55720090), (5, 44576072), (8, 27860045), (10, 22288036), (20, 11144018), (40, 5572009), (71, 3139160), (142, 1569580), (284, 784790), (355, 627832), (568, 392395), (710, 313916), (1420, 156958), (2840, 78479)]