221288650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{402343}}^1$

素因数の和:402366

約数の個数: 24

約数和(自身を含む): 449015904

約数和(自身を除く): 227727254

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 402343, 804686, 2011715, 4023430, 4425773, 8851546, 10058575, 20117150, 22128865, 44257730, 110644325, 221288650]

約数ペア:

[(1, 221288650), (2, 110644325), (5, 44257730), (10, 22128865), (11, 20117150), (22, 10058575), (25, 8851546), (50, 4425773), (55, 4023430), (110, 2011715), (275, 804686), (550, 402343)]