1330962740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 2819208000

約数和(自身を除く): 1488245260

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 499, 691, 772, 965, 998, 1382, 1930, 1996, 2495, 2764, 3455, 3860, 4990, 6910, 9980, 13820, 96307, 133363, 192614, 266726, 344809, 385228, 481535, 533452, 666815, 689618, 963070, 1333630, 1379236, 1724045, 1926140, 2667260, 3448090, 6896180, 66548137, 133096274, 266192548, 332740685, 665481370, 1330962740]

約数ペア:

[(1, 1330962740), (2, 665481370), (4, 332740685), (5, 266192548), (10, 133096274), (20, 66548137), (193, 6896180), (386, 3448090), (499, 2667260), (691, 1926140), (772, 1724045), (965, 1379236), (998, 1333630), (1382, 963070), (1930, 689618), (1996, 666815), (2495, 533452), (2764, 481535), (3455, 385228), (3860, 344809), (4990, 266726), (6910, 192614), (9980, 133363), (13820, 96307)]