206872180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{279557}}^1$

素因数の和:279603

約数の個数: 24

約数和(自身を含む): 446174568

約数和(自身を除く): 239302388

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 279557, 559114, 1118228, 1397785, 2795570, 5591140, 10343609, 20687218, 41374436, 51718045, 103436090, 206872180]

約数ペア:

[(1, 206872180), (2, 103436090), (4, 51718045), (5, 41374436), (10, 20687218), (20, 10343609), (37, 5591140), (74, 2795570), (148, 1397785), (185, 1118228), (370, 559114), (740, 279557)]