77979020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1901}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 187887168

約数和(自身を除く): 109908148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 1172, 1465, 1901, 2051, 2930, 3802, 4102, 5860, 7604, 8204, 9505, 10255, 13307, 19010, 20510, 26614, 38020, 41020, 53228, 66535, 133070, 266140, 556993, 1113986, 2227972, 2784965, 3898951, 5569930, 7797902, 11139860, 15595804, 19494755, 38989510, 77979020]

約数ペア:

[(1, 77979020), (2, 38989510), (4, 19494755), (5, 15595804), (7, 11139860), (10, 7797902), (14, 5569930), (20, 3898951), (28, 2784965), (35, 2227972), (70, 1113986), (140, 556993), (293, 266140), (586, 133070), (1172, 66535), (1465, 53228), (1901, 41020), (2051, 38020), (2930, 26614), (3802, 20510), (4102, 19010), (5860, 13307), (7604, 10255), (8204, 9505)]