2133460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{311}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 5241600

約数和(自身を除く): 3108140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 311, 343, 490, 622, 686, 980, 1244, 1372, 1555, 1715, 2177, 3110, 3430, 4354, 6220, 6860, 8708, 10885, 15239, 21770, 30478, 43540, 60956, 76195, 106673, 152390, 213346, 304780, 426692, 533365, 1066730, 2133460]

約数ペア:

[(1, 2133460), (2, 1066730), (4, 533365), (5, 426692), (7, 304780), (10, 213346), (14, 152390), (20, 106673), (28, 76195), (35, 60956), (49, 43540), (70, 30478), (98, 21770), (140, 15239), (196, 10885), (245, 8708), (311, 6860), (343, 6220), (490, 4354), (622, 3430), (686, 3110), (980, 2177), (1244, 1715), (1372, 1555)]