7639660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 18494784

約数和(自身を除く): 10855124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 277, 394, 554, 788, 985, 1108, 1379, 1385, 1939, 1970, 2758, 2770, 3878, 3940, 5516, 5540, 6895, 7756, 9695, 13790, 19390, 27580, 38780, 54569, 109138, 218276, 272845, 381983, 545690, 763966, 1091380, 1527932, 1909915, 3819830, 7639660]

約数ペア:

[(1, 7639660), (2, 3819830), (4, 1909915), (5, 1527932), (7, 1091380), (10, 763966), (14, 545690), (20, 381983), (28, 272845), (35, 218276), (70, 109138), (140, 54569), (197, 38780), (277, 27580), (394, 19390), (554, 13790), (788, 9695), (985, 7756), (1108, 6895), (1379, 5540), (1385, 5516), (1939, 3940), (1970, 3878), (2758, 2770)]