22235780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2324

約数の個数: 48

約数和(自身を含む): 54141696

約数和(自身を除く): 31905916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2237, 2485, 4474, 4970, 8948, 9940, 11185, 15659, 22370, 31318, 44740, 62636, 78295, 156590, 158827, 313180, 317654, 635308, 794135, 1111789, 1588270, 2223578, 3176540, 4447156, 5558945, 11117890, 22235780]

約数ペア:

[(1, 22235780), (2, 11117890), (4, 5558945), (5, 4447156), (7, 3176540), (10, 2223578), (14, 1588270), (20, 1111789), (28, 794135), (35, 635308), (70, 317654), (71, 313180), (140, 158827), (142, 156590), (284, 78295), (355, 62636), (497, 44740), (710, 31318), (994, 22370), (1420, 15659), (1988, 11185), (2237, 9940), (2485, 8948), (4474, 4970)]