1195400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 2864400

約数和(自身を除く): 1669000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 139, 172, 200, 215, 278, 344, 430, 556, 695, 860, 1075, 1112, 1390, 1720, 2150, 2780, 3475, 4300, 5560, 5977, 6950, 8600, 11954, 13900, 23908, 27800, 29885, 47816, 59770, 119540, 149425, 239080, 298850, 597700, 1195400]

約数ペア:

[(1, 1195400), (2, 597700), (4, 298850), (5, 239080), (8, 149425), (10, 119540), (20, 59770), (25, 47816), (40, 29885), (43, 27800), (50, 23908), (86, 13900), (100, 11954), (139, 8600), (172, 6950), (200, 5977), (215, 5560), (278, 4300), (344, 3475), (430, 2780), (556, 2150), (695, 1720), (860, 1390), (1075, 1112)]