210928880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1102

約数の個数: 80

約数和(自身を含む): 520204800

約数和(自身を除く): 309275920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 151, 152, 190, 302, 304, 380, 604, 755, 760, 919, 1208, 1510, 1520, 1838, 2416, 2869, 3020, 3676, 4595, 5738, 6040, 7352, 9190, 11476, 12080, 14345, 14704, 17461, 18380, 22952, 28690, 34922, 36760, 45904, 57380, 69844, 73520, 87305, 114760, 138769, 139688, 174610, 229520, 277538, 279376, 349220, 555076, 693845, 698440, 1110152, 1387690, 1396880, 2220304, 2636611, 2775380, 5273222, 5550760, 10546444, 11101520, 13183055, 21092888, 26366110, 42185776, 52732220, 105464440, 210928880]

約数ペア:

[(1, 210928880), (2, 105464440), (4, 52732220), (5, 42185776), (8, 26366110), (10, 21092888), (16, 13183055), (19, 11101520), (20, 10546444), (38, 5550760), (40, 5273222), (76, 2775380), (80, 2636611), (95, 2220304), (151, 1396880), (152, 1387690), (190, 1110152), (302, 698440), (304, 693845), (380, 555076), (604, 349220), (755, 279376), (760, 277538), (919, 229520), (1208, 174610), (1510, 139688), (1520, 138769), (1838, 114760), (2416, 87305), (2869, 73520), (3020, 69844), (3676, 57380), (4595, 45904), (5738, 36760), (6040, 34922), (7352, 28690), (9190, 22952), (11476, 18380), (12080, 17461), (14345, 14704)]