4351000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 10764000

約数和(自身を除く): 6413000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 229, 250, 380, 458, 475, 500, 760, 916, 950, 1000, 1145, 1832, 1900, 2290, 2375, 3800, 4351, 4580, 4750, 5725, 8702, 9160, 9500, 11450, 17404, 19000, 21755, 22900, 28625, 34808, 43510, 45800, 57250, 87020, 108775, 114500, 174040, 217550, 229000, 435100, 543875, 870200, 1087750, 2175500, 4351000]

約数ペア:

[(1, 4351000), (2, 2175500), (4, 1087750), (5, 870200), (8, 543875), (10, 435100), (19, 229000), (20, 217550), (25, 174040), (38, 114500), (40, 108775), (50, 87020), (76, 57250), (95, 45800), (100, 43510), (125, 34808), (152, 28625), (190, 22900), (200, 21755), (229, 19000), (250, 17404), (380, 11450), (458, 9500), (475, 9160), (500, 8702), (760, 5725), (916, 4750), (950, 4580), (1000, 4351), (1145, 3800), (1832, 2375), (1900, 2290)]