189613660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2273}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 411830496

約数和(自身を除く): 222216836

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 860, 970, 1940, 2273, 4171, 4546, 8342, 9092, 11365, 16684, 20855, 22730, 41710, 45460, 83420, 97739, 195478, 220481, 390956, 440962, 488695, 881924, 977390, 1102405, 1954780, 2204810, 4409620, 9480683, 18961366, 37922732, 47403415, 94806830, 189613660]

約数ペア:

[(1, 189613660), (2, 94806830), (4, 47403415), (5, 37922732), (10, 18961366), (20, 9480683), (43, 4409620), (86, 2204810), (97, 1954780), (172, 1102405), (194, 977390), (215, 881924), (388, 488695), (430, 440962), (485, 390956), (860, 220481), (970, 195478), (1940, 97739), (2273, 83420), (4171, 45460), (4546, 41710), (8342, 22730), (9092, 20855), (11365, 16684)]