190054840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2452

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 257013320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 2351, 4042, 4702, 8084, 9404, 10105, 11755, 16168, 18808, 20210, 23510, 40420, 47020, 80840, 94040, 101093, 110497, 202186, 220994, 404372, 441988, 505465, 552485, 808744, 883976, 1010930, 1104970, 2021860, 2209940, 4043720, 4419880, 4751371, 9502742, 19005484, 23756855, 38010968, 47513710, 95027420, 190054840]

約数ペア:

[(1, 190054840), (2, 95027420), (4, 47513710), (5, 38010968), (8, 23756855), (10, 19005484), (20, 9502742), (40, 4751371), (43, 4419880), (47, 4043720), (86, 2209940), (94, 2021860), (172, 1104970), (188, 1010930), (215, 883976), (235, 808744), (344, 552485), (376, 505465), (430, 441988), (470, 404372), (860, 220994), (940, 202186), (1720, 110497), (1880, 101093), (2021, 94040), (2351, 80840), (4042, 47020), (4702, 40420), (8084, 23510), (9404, 20210), (10105, 18808), (11755, 16168)]