193291880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 449539200

約数和(自身を除く): 256247320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 109, 172, 215, 218, 344, 430, 436, 545, 860, 872, 1031, 1090, 1720, 2062, 2180, 4124, 4360, 4687, 5155, 8248, 9374, 10310, 18748, 20620, 23435, 37496, 41240, 44333, 46870, 88666, 93740, 112379, 177332, 187480, 221665, 224758, 354664, 443330, 449516, 561895, 886660, 899032, 1123790, 1773320, 2247580, 4495160, 4832297, 9664594, 19329188, 24161485, 38658376, 48322970, 96645940, 193291880]

約数ペア:

[(1, 193291880), (2, 96645940), (4, 48322970), (5, 38658376), (8, 24161485), (10, 19329188), (20, 9664594), (40, 4832297), (43, 4495160), (86, 2247580), (109, 1773320), (172, 1123790), (215, 899032), (218, 886660), (344, 561895), (430, 449516), (436, 443330), (545, 354664), (860, 224758), (872, 221665), (1031, 187480), (1090, 177332), (1720, 112379), (2062, 93740), (2180, 88666), (4124, 46870), (4360, 44333), (4687, 41240), (5155, 37496), (8248, 23435), (9374, 20620), (10310, 18748)]