1255441460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{689803}}^1$

素因数の和:689832

約数の個数: 48

約数和(自身を含む): 3244838016

約数和(自身を除く): 1989396556

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 689803, 1379606, 2759212, 3449015, 4828621, 6898030, 8967439, 9657242, 13796060, 17934878, 19314484, 24143105, 35869756, 44837195, 48286210, 62772073, 89674390, 96572420, 125544146, 179348780, 251088292, 313860365, 627720730, 1255441460]

約数ペア:

[(1, 1255441460), (2, 627720730), (4, 313860365), (5, 251088292), (7, 179348780), (10, 125544146), (13, 96572420), (14, 89674390), (20, 62772073), (26, 48286210), (28, 44837195), (35, 35869756), (52, 24143105), (65, 19314484), (70, 17934878), (91, 13796060), (130, 9657242), (140, 8967439), (182, 6898030), (260, 4828621), (364, 3449015), (455, 2759212), (910, 1379606), (1820, 689803)]