129290980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71039}}^1$

素因数の和:71068

約数の個数: 48

約数和(自身を含む): 334172160

約数和(自身を除く): 204881180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 71039, 142078, 284156, 355195, 497273, 710390, 923507, 994546, 1420780, 1847014, 1989092, 2486365, 3694028, 4617535, 4972730, 6464549, 9235070, 9945460, 12929098, 18470140, 25858196, 32322745, 64645490, 129290980]

約数ペア:

[(1, 129290980), (2, 64645490), (4, 32322745), (5, 25858196), (7, 18470140), (10, 12929098), (13, 9945460), (14, 9235070), (20, 6464549), (26, 4972730), (28, 4617535), (35, 3694028), (52, 2486365), (65, 1989092), (70, 1847014), (91, 1420780), (130, 994546), (140, 923507), (182, 710390), (260, 497273), (364, 355195), (455, 284156), (910, 142078), (1820, 71039)]