172578520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2341}}^1$

素因数の和:2468

約数の個数: 64

約数和(自身を含む): 413128800

約数和(自身を除く): 240550280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 2341, 3686, 3880, 4682, 7372, 9215, 9364, 11705, 14744, 18430, 18728, 23410, 36860, 44479, 46820, 73720, 88958, 93640, 177916, 222395, 227077, 355832, 444790, 454154, 889580, 908308, 1135385, 1779160, 1816616, 2270770, 4314463, 4541540, 8628926, 9083080, 17257852, 21572315, 34515704, 43144630, 86289260, 172578520]

約数ペア:

[(1, 172578520), (2, 86289260), (4, 43144630), (5, 34515704), (8, 21572315), (10, 17257852), (19, 9083080), (20, 8628926), (38, 4541540), (40, 4314463), (76, 2270770), (95, 1816616), (97, 1779160), (152, 1135385), (190, 908308), (194, 889580), (380, 454154), (388, 444790), (485, 355832), (760, 227077), (776, 222395), (970, 177916), (1843, 93640), (1940, 88958), (2341, 73720), (3686, 46820), (3880, 44479), (4682, 36860), (7372, 23410), (9215, 18728), (9364, 18430), (11705, 14744)]