28646870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 38576650

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 49, 70, 85, 95, 98, 119, 133, 170, 181, 190, 238, 245, 266, 323, 362, 490, 595, 646, 665, 833, 905, 931, 1190, 1267, 1330, 1615, 1666, 1810, 1862, 2261, 2534, 3077, 3230, 3439, 4165, 4522, 4655, 6154, 6335, 6878, 8330, 8869, 9310, 11305, 12670, 15385, 15827, 17195, 17738, 21539, 22610, 24073, 30770, 31654, 34390, 43078, 44345, 48146, 58463, 79135, 88690, 107695, 116926, 120365, 150773, 158270, 168511, 215390, 240730, 292315, 301546, 337022, 409241, 584630, 753865, 818482, 842555, 1507730, 1685110, 2046205, 2864687, 4092410, 5729374, 14323435, 28646870]

約数ペア:

[(1, 28646870), (2, 14323435), (5, 5729374), (7, 4092410), (10, 2864687), (14, 2046205), (17, 1685110), (19, 1507730), (34, 842555), (35, 818482), (38, 753865), (49, 584630), (70, 409241), (85, 337022), (95, 301546), (98, 292315), (119, 240730), (133, 215390), (170, 168511), (181, 158270), (190, 150773), (238, 120365), (245, 116926), (266, 107695), (323, 88690), (362, 79135), (490, 58463), (595, 48146), (646, 44345), (665, 43078), (833, 34390), (905, 31654), (931, 30770), (1190, 24073), (1267, 22610), (1330, 21539), (1615, 17738), (1666, 17195), (1810, 15827), (1862, 15385), (2261, 12670), (2534, 11305), (3077, 9310), (3230, 8869), (3439, 8330), (4165, 6878), (4522, 6335), (4655, 6154)]