390743200

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{4481}}^1$

素因数の和:4610

約数の個数: 72

約数和(自身を含む): 962868060

約数和(自身を除く): 572124860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 400, 436, 545, 800, 872, 1090, 1744, 2180, 2725, 3488, 4360, 4481, 5450, 8720, 8962, 10900, 17440, 17924, 21800, 22405, 35848, 43600, 44810, 71696, 87200, 89620, 112025, 143392, 179240, 224050, 358480, 448100, 488429, 716960, 896200, 976858, 1792400, 1953716, 2442145, 3584800, 3907432, 4884290, 7814864, 9768580, 12210725, 15629728, 19537160, 24421450, 39074320, 48842900, 78148640, 97685800, 195371600, 390743200]

約数ペア:

[(1, 390743200), (2, 195371600), (4, 97685800), (5, 78148640), (8, 48842900), (10, 39074320), (16, 24421450), (20, 19537160), (25, 15629728), (32, 12210725), (40, 9768580), (50, 7814864), (80, 4884290), (100, 3907432), (109, 3584800), (160, 2442145), (200, 1953716), (218, 1792400), (400, 976858), (436, 896200), (545, 716960), (800, 488429), (872, 448100), (1090, 358480), (1744, 224050), (2180, 179240), (2725, 143392), (3488, 112025), (4360, 89620), (4481, 87200), (5450, 71696), (8720, 44810), (8962, 43600), (10900, 35848), (17440, 22405), (17924, 21800)]