7977340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3034

約数の個数: 48

約数和(自身を含む): 20160000

約数和(自身を除く): 12182660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 2999, 5998, 11996, 14995, 20993, 29990, 41986, 56981, 59980, 83972, 104965, 113962, 209930, 227924, 284905, 398867, 419860, 569810, 797734, 1139620, 1595468, 1994335, 3988670, 7977340]

約数ペア:

[(1, 7977340), (2, 3988670), (4, 1994335), (5, 1595468), (7, 1139620), (10, 797734), (14, 569810), (19, 419860), (20, 398867), (28, 284905), (35, 227924), (38, 209930), (70, 113962), (76, 104965), (95, 83972), (133, 59980), (140, 56981), (190, 41986), (266, 29990), (380, 20993), (532, 14995), (665, 11996), (1330, 5998), (2660, 2999)]