55688990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3919}}^1$

素因数の和:3969

約数の個数: 48

約数和(自身を含む): 120657600

約数和(自身を除く): 64968610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1421, 2030, 2842, 3919, 7105, 7838, 14210, 19595, 27433, 39190, 54866, 113651, 137165, 192031, 227302, 274330, 384062, 568255, 795557, 960155, 1136510, 1591114, 1920310, 3977785, 5568899, 7955570, 11137798, 27844495, 55688990]

約数ペア:

[(1, 55688990), (2, 27844495), (5, 11137798), (7, 7955570), (10, 5568899), (14, 3977785), (29, 1920310), (35, 1591114), (49, 1136510), (58, 960155), (70, 795557), (98, 568255), (145, 384062), (203, 274330), (245, 227302), (290, 192031), (406, 137165), (490, 113651), (1015, 54866), (1421, 39190), (2030, 27433), (2842, 19595), (3919, 14210), (7105, 7838)]