171390280

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{72623}}^1$

素因数の和:72693

約数の個数: 32

約数和(自身を含む): 392169600

約数和(自身を除く): 220779320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 72623, 145246, 290492, 363115, 580984, 726230, 1452460, 2904920, 4284757, 8569514, 17139028, 21423785, 34278056, 42847570, 85695140, 171390280]

約数ペア:

[(1, 171390280), (2, 85695140), (4, 42847570), (5, 34278056), (8, 21423785), (10, 17139028), (20, 8569514), (40, 4284757), (59, 2904920), (118, 1452460), (236, 726230), (295, 580984), (472, 363115), (590, 290492), (1180, 145246), (2360, 72623)]