247029440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{110281}}^1$

素因数の和:110305

約数の個数: 56

約数和(自身を含む): 672279072

約数和(自身を除く): 425249632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 110281, 220562, 441124, 551405, 771967, 882248, 1102810, 1543934, 1764496, 2205620, 3087868, 3528992, 3859835, 4411240, 6175736, 7057984, 7719670, 8822480, 12351472, 15439340, 17644960, 24702944, 30878680, 35289920, 49405888, 61757360, 123514720, 247029440]

約数ペア:

[(1, 247029440), (2, 123514720), (4, 61757360), (5, 49405888), (7, 35289920), (8, 30878680), (10, 24702944), (14, 17644960), (16, 15439340), (20, 12351472), (28, 8822480), (32, 7719670), (35, 7057984), (40, 6175736), (56, 4411240), (64, 3859835), (70, 3528992), (80, 3087868), (112, 2205620), (140, 1764496), (160, 1543934), (224, 1102810), (280, 882248), (320, 771967), (448, 551405), (560, 441124), (1120, 220562), (2240, 110281)]