22255660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2326

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 31934420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2239, 2485, 4478, 4970, 8956, 9940, 11195, 15673, 22390, 31346, 44780, 62692, 78365, 156730, 158969, 313460, 317938, 635876, 794845, 1112783, 1589690, 2225566, 3179380, 4451132, 5563915, 11127830, 22255660]

約数ペア:

[(1, 22255660), (2, 11127830), (4, 5563915), (5, 4451132), (7, 3179380), (10, 2225566), (14, 1589690), (20, 1112783), (28, 794845), (35, 635876), (70, 317938), (71, 313460), (140, 158969), (142, 156730), (284, 78365), (355, 62692), (497, 44780), (710, 31346), (994, 22390), (1420, 15673), (1988, 11195), (2239, 9940), (2485, 8956), (4478, 4970)]