291486140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{2029}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 669120480

約数和(自身を除く): 377634340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 653, 1306, 2029, 2612, 3265, 4058, 6530, 7183, 8116, 10145, 13060, 14366, 20290, 22319, 28732, 35915, 40580, 44638, 71830, 89276, 111595, 143660, 223190, 446380, 1324937, 2649874, 5299748, 6624685, 13249370, 14574307, 26498740, 29148614, 58297228, 72871535, 145743070, 291486140]

約数ペア:

[(1, 291486140), (2, 145743070), (4, 72871535), (5, 58297228), (10, 29148614), (11, 26498740), (20, 14574307), (22, 13249370), (44, 6624685), (55, 5299748), (110, 2649874), (220, 1324937), (653, 446380), (1306, 223190), (2029, 143660), (2612, 111595), (3265, 89276), (4058, 71830), (6530, 44638), (7183, 40580), (8116, 35915), (10145, 28732), (13060, 22319), (14366, 20290)]