83988860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 181288800

約数和(自身を除く): 97299940

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 218, 236, 295, 436, 545, 590, 653, 1090, 1180, 1306, 2180, 2612, 3265, 6431, 6530, 12862, 13060, 25724, 32155, 38527, 64310, 71177, 77054, 128620, 142354, 154108, 192635, 284708, 355885, 385270, 711770, 770540, 1423540, 4199443, 8398886, 16797772, 20997215, 41994430, 83988860]

約数ペア:

[(1, 83988860), (2, 41994430), (4, 20997215), (5, 16797772), (10, 8398886), (20, 4199443), (59, 1423540), (109, 770540), (118, 711770), (218, 385270), (236, 355885), (295, 284708), (436, 192635), (545, 154108), (590, 142354), (653, 128620), (1090, 77054), (1180, 71177), (1306, 64310), (2180, 38527), (2612, 32155), (3265, 25724), (6431, 13060), (6530, 12862)]