206860280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2053}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 510213600

約数和(自身を除く): 303353320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 440, 458, 916, 1145, 1832, 2053, 2290, 2519, 4106, 4580, 5038, 8212, 9160, 10076, 10265, 12595, 16424, 20152, 20530, 22583, 25190, 41060, 45166, 50380, 82120, 90332, 100760, 112915, 180664, 225830, 451660, 470137, 903320, 940274, 1880548, 2350685, 3761096, 4701370, 5171507, 9402740, 10343014, 18805480, 20686028, 25857535, 41372056, 51715070, 103430140, 206860280]

約数ペア:

[(1, 206860280), (2, 103430140), (4, 51715070), (5, 41372056), (8, 25857535), (10, 20686028), (11, 18805480), (20, 10343014), (22, 9402740), (40, 5171507), (44, 4701370), (55, 3761096), (88, 2350685), (110, 1880548), (220, 940274), (229, 903320), (440, 470137), (458, 451660), (916, 225830), (1145, 180664), (1832, 112915), (2053, 100760), (2290, 90332), (2519, 82120), (4106, 50380), (4580, 45166), (5038, 41060), (8212, 25190), (9160, 22583), (10076, 20530), (10265, 20152), (12595, 16424)]