2194220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2239}}^1$

素因数の和:2262

約数の個数: 36

約数和(自身を含む): 5362560

約数和(自身を除く): 3168340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2239, 4478, 8956, 11195, 15673, 22390, 31346, 44780, 62692, 78365, 109711, 156730, 219422, 313460, 438844, 548555, 1097110, 2194220]

約数ペア:

[(1, 2194220), (2, 1097110), (4, 548555), (5, 438844), (7, 313460), (10, 219422), (14, 156730), (20, 109711), (28, 78365), (35, 62692), (49, 44780), (70, 31346), (98, 22390), (140, 15673), (196, 11195), (245, 8956), (490, 4478), (980, 2239)]