745650190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{23021}}^1$

素因数の和:23148

約数の個数: 32

約数和(自身を含む): 1392370560

約数和(自身を除く): 646720370

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 6478, 16195, 23021, 32390, 46042, 115105, 230210, 943861, 1818659, 1887722, 3637318, 4719305, 9093295, 9438610, 18186590, 74565019, 149130038, 372825095, 745650190]

約数ペア:

[(1, 745650190), (2, 372825095), (5, 149130038), (10, 74565019), (41, 18186590), (79, 9438610), (82, 9093295), (158, 4719305), (205, 3637318), (395, 1887722), (410, 1818659), (790, 943861), (3239, 230210), (6478, 115105), (16195, 46042), (23021, 32390)]