385214980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{180007}}^1$

素因数の和:180123

約数の個数: 24

約数和(自身を含む): 816516288

約数和(自身を除く): 431301308

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 180007, 360014, 720028, 900035, 1800070, 3600140, 19260749, 38521498, 77042996, 96303745, 192607490, 385214980]

約数ペア:

[(1, 385214980), (2, 192607490), (4, 96303745), (5, 77042996), (10, 38521498), (20, 19260749), (107, 3600140), (214, 1800070), (428, 900035), (535, 720028), (1070, 360014), (2140, 180007)]