193900520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{440683}}^1$

素因数の和:440705

約数の個数: 32

約数和(自身を含む): 475938720

約数和(自身を除く): 282038200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 440683, 881366, 1762732, 2203415, 3525464, 4406830, 4847513, 8813660, 9695026, 17627320, 19390052, 24237565, 38780104, 48475130, 96950260, 193900520]

約数ペア:

[(1, 193900520), (2, 96950260), (4, 48475130), (5, 38780104), (8, 24237565), (10, 19390052), (11, 17627320), (20, 9695026), (22, 8813660), (40, 4847513), (44, 4406830), (55, 3525464), (88, 2203415), (110, 1762732), (220, 881366), (440, 440683)]