201491660

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{28867}}^1$

素因数の和:29225

約数の個数: 24

約数和(自身を含む): 424359600

約数和(自身を除く): 222867940

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 28867, 57734, 115468, 144335, 288670, 577340, 10074583, 20149166, 40298332, 50372915, 100745830, 201491660]

約数ペア:

[(1, 201491660), (2, 100745830), (4, 50372915), (5, 40298332), (10, 20149166), (20, 10074583), (349, 577340), (698, 288670), (1396, 144335), (1745, 115468), (3490, 57734), (6980, 28867)]