406252280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1693}}^1$

素因数の和:2568

約数の個数: 64

約数和(自身を含む): 1046485440

約数和(自身を除く): 640233160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 857, 1693, 1714, 3386, 3428, 4285, 5999, 6772, 6856, 8465, 8570, 11851, 11998, 13544, 16930, 17140, 23702, 23996, 29995, 33860, 34280, 47404, 47992, 59255, 59990, 67720, 94808, 118510, 119980, 237020, 239960, 474040, 1450901, 2901802, 5803604, 7254505, 10156307, 11607208, 14509010, 20312614, 29018020, 40625228, 50781535, 58036040, 81250456, 101563070, 203126140, 406252280]

約数ペア:

[(1, 406252280), (2, 203126140), (4, 101563070), (5, 81250456), (7, 58036040), (8, 50781535), (10, 40625228), (14, 29018020), (20, 20312614), (28, 14509010), (35, 11607208), (40, 10156307), (56, 7254505), (70, 5803604), (140, 2901802), (280, 1450901), (857, 474040), (1693, 239960), (1714, 237020), (3386, 119980), (3428, 118510), (4285, 94808), (5999, 67720), (6772, 59990), (6856, 59255), (8465, 47992), (8570, 47404), (11851, 34280), (11998, 33860), (13544, 29995), (16930, 23996), (17140, 23702)]