385380400

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{8839}}^1$

素因数の和:8966

約数の個数: 60

約数和(自身を含む): 934476400

約数和(自身を除く): 549096000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 872, 1090, 1744, 2180, 2725, 4360, 5450, 8720, 8839, 10900, 17678, 21800, 35356, 43600, 44195, 70712, 88390, 141424, 176780, 220975, 353560, 441950, 707120, 883900, 963451, 1767800, 1926902, 3535600, 3853804, 4817255, 7707608, 9634510, 15415216, 19269020, 24086275, 38538040, 48172550, 77076080, 96345100, 192690200, 385380400]

約数ペア:

[(1, 385380400), (2, 192690200), (4, 96345100), (5, 77076080), (8, 48172550), (10, 38538040), (16, 24086275), (20, 19269020), (25, 15415216), (40, 9634510), (50, 7707608), (80, 4817255), (100, 3853804), (109, 3535600), (200, 1926902), (218, 1767800), (400, 963451), (436, 883900), (545, 707120), (872, 441950), (1090, 353560), (1744, 220975), (2180, 176780), (2725, 141424), (4360, 88390), (5450, 70712), (8720, 44195), (8839, 43600), (10900, 35356), (17678, 21800)]