4388440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2239}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 11491200

約数和(自身を除く): 7102760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2239, 4478, 8956, 11195, 15673, 17912, 22390, 31346, 44780, 62692, 78365, 89560, 109711, 125384, 156730, 219422, 313460, 438844, 548555, 626920, 877688, 1097110, 2194220, 4388440]

約数ペア:

[(1, 4388440), (2, 2194220), (4, 1097110), (5, 877688), (7, 626920), (8, 548555), (10, 438844), (14, 313460), (20, 219422), (28, 156730), (35, 125384), (40, 109711), (49, 89560), (56, 78365), (70, 62692), (98, 44780), (140, 31346), (196, 22390), (245, 17912), (280, 15673), (392, 11195), (490, 8956), (980, 4478), (1960, 2239)]