772280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 1782000

約数和(自身を除く): 1009720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 449, 860, 898, 1720, 1796, 2245, 3592, 4490, 8980, 17960, 19307, 38614, 77228, 96535, 154456, 193070, 386140, 772280]

約数ペア:

[(1, 772280), (2, 386140), (4, 193070), (5, 154456), (8, 96535), (10, 77228), (20, 38614), (40, 19307), (43, 17960), (86, 8980), (172, 4490), (215, 3592), (344, 2245), (430, 1796), (449, 1720), (860, 898)]