285276940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1237}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 646414272

約数和(自身を除く): 361137332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 887, 1237, 1774, 2474, 3548, 4435, 4948, 6185, 8870, 11531, 12370, 16081, 17740, 23062, 24740, 32162, 46124, 57655, 64324, 80405, 115310, 160810, 230620, 321620, 1097219, 2194438, 4388876, 5486095, 10972190, 14263847, 21944380, 28527694, 57055388, 71319235, 142638470, 285276940]

約数ペア:

[(1, 285276940), (2, 142638470), (4, 71319235), (5, 57055388), (10, 28527694), (13, 21944380), (20, 14263847), (26, 10972190), (52, 5486095), (65, 4388876), (130, 2194438), (260, 1097219), (887, 321620), (1237, 230620), (1774, 160810), (2474, 115310), (3548, 80405), (4435, 64324), (4948, 57655), (6185, 46124), (8870, 32162), (11531, 24740), (12370, 23062), (16081, 17740)]