384782860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{249859}}^1$

素因数の和:249886

約数の個数: 48

約数和(自身を含む): 1007435520

約数和(自身を除く): 622652660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 249859, 499718, 999436, 1249295, 1749013, 2498590, 2748449, 3498026, 4997180, 5496898, 6996052, 8745065, 10993796, 13742245, 17490130, 19239143, 27484490, 34980260, 38478286, 54968980, 76956572, 96195715, 192391430, 384782860]

約数ペア:

[(1, 384782860), (2, 192391430), (4, 96195715), (5, 76956572), (7, 54968980), (10, 38478286), (11, 34980260), (14, 27484490), (20, 19239143), (22, 17490130), (28, 13742245), (35, 10993796), (44, 8745065), (55, 6996052), (70, 5496898), (77, 4997180), (110, 3498026), (140, 2748449), (154, 2498590), (220, 1749013), (308, 1249295), (385, 999436), (770, 499718), (1540, 249859)]