2810366540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{9029}}^1$

素因数の和:9314

約数の個数: 48

約数和(自身を含む): 6007478400

約数和(自身を除く): 3197111860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 197, 316, 394, 395, 788, 790, 985, 1580, 1970, 3940, 9029, 15563, 18058, 31126, 36116, 45145, 62252, 77815, 90290, 155630, 180580, 311260, 713291, 1426582, 1778713, 2853164, 3557426, 3566455, 7114852, 7132910, 8893565, 14265820, 17787130, 35574260, 140518327, 281036654, 562073308, 702591635, 1405183270, 2810366540]

約数ペア:

[(1, 2810366540), (2, 1405183270), (4, 702591635), (5, 562073308), (10, 281036654), (20, 140518327), (79, 35574260), (158, 17787130), (197, 14265820), (316, 8893565), (394, 7132910), (395, 7114852), (788, 3566455), (790, 3557426), (985, 2853164), (1580, 1778713), (1970, 1426582), (3940, 713291), (9029, 311260), (15563, 180580), (18058, 155630), (31126, 90290), (36116, 77815), (45145, 62252)]