203847020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1279}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 462120960

約数和(自身を除く): 258273940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 613, 1226, 1279, 2452, 2558, 3065, 5116, 6130, 6395, 7969, 12260, 12790, 15938, 16627, 25580, 31876, 33254, 39845, 66508, 79690, 83135, 159380, 166270, 332540, 784027, 1568054, 3136108, 3920135, 7840270, 10192351, 15680540, 20384702, 40769404, 50961755, 101923510, 203847020]

約数ペア:

[(1, 203847020), (2, 101923510), (4, 50961755), (5, 40769404), (10, 20384702), (13, 15680540), (20, 10192351), (26, 7840270), (52, 3920135), (65, 3136108), (130, 1568054), (260, 784027), (613, 332540), (1226, 166270), (1279, 159380), (2452, 83135), (2558, 79690), (3065, 66508), (5116, 39845), (6130, 33254), (6395, 31876), (7969, 25580), (12260, 16627), (12790, 15938)]