1899408040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1104307}}^1$

素因数の和:1104361

約数の個数: 32

約数和(自身を含む): 4373059680

約数和(自身を除く): 2473651640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1104307, 2208614, 4417228, 5521535, 8834456, 11043070, 22086140, 44172280, 47485201, 94970402, 189940804, 237426005, 379881608, 474852010, 949704020, 1899408040]

約数ペア:

[(1, 1899408040), (2, 949704020), (4, 474852010), (5, 379881608), (8, 237426005), (10, 189940804), (20, 94970402), (40, 47485201), (43, 44172280), (86, 22086140), (172, 11043070), (215, 8834456), (344, 5521535), (430, 4417228), (860, 2208614), (1720, 1104307)]