823900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 2249856

約数和(自身を除く): 1425956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 107, 110, 140, 154, 175, 214, 220, 275, 308, 350, 385, 428, 535, 550, 700, 749, 770, 1070, 1100, 1177, 1498, 1540, 1925, 2140, 2354, 2675, 2996, 3745, 3850, 4708, 5350, 5885, 7490, 7700, 8239, 10700, 11770, 14980, 16478, 18725, 23540, 29425, 32956, 37450, 41195, 58850, 74900, 82390, 117700, 164780, 205975, 411950, 823900]

約数ペア:

[(1, 823900), (2, 411950), (4, 205975), (5, 164780), (7, 117700), (10, 82390), (11, 74900), (14, 58850), (20, 41195), (22, 37450), (25, 32956), (28, 29425), (35, 23540), (44, 18725), (50, 16478), (55, 14980), (70, 11770), (77, 10700), (100, 8239), (107, 7700), (110, 7490), (140, 5885), (154, 5350), (175, 4708), (214, 3850), (220, 3745), (275, 2996), (308, 2675), (350, 2354), (385, 2140), (428, 1925), (535, 1540), (550, 1498), (700, 1177), (749, 1100), (770, 1070)]