201666280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{136261}}^1$

素因数の和:136309

約数の個数: 32

約数和(自身を含む): 466016040

約数和(自身を除く): 264349760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 136261, 272522, 545044, 681305, 1090088, 1362610, 2725220, 5041657, 5450440, 10083314, 20166628, 25208285, 40333256, 50416570, 100833140, 201666280]

約数ペア:

[(1, 201666280), (2, 100833140), (4, 50416570), (5, 40333256), (8, 25208285), (10, 20166628), (20, 10083314), (37, 5450440), (40, 5041657), (74, 2725220), (148, 1362610), (185, 1090088), (296, 681305), (370, 545044), (740, 272522), (1480, 136261)]