208369400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{24229}}^1$

素因数の和:24288

約数の個数: 48

約数和(自身を含む): 495745800

約数和(自身を除く): 287376400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 24229, 48458, 96916, 121145, 193832, 242290, 484580, 605725, 969160, 1041847, 1211450, 2083694, 2422900, 4167388, 4845800, 5209235, 8334776, 10418470, 20836940, 26046175, 41673880, 52092350, 104184700, 208369400]

約数ペア:

[(1, 208369400), (2, 104184700), (4, 52092350), (5, 41673880), (8, 26046175), (10, 20836940), (20, 10418470), (25, 8334776), (40, 5209235), (43, 4845800), (50, 4167388), (86, 2422900), (100, 2083694), (172, 1211450), (200, 1041847), (215, 969160), (344, 605725), (430, 484580), (860, 242290), (1075, 193832), (1720, 121145), (2150, 96916), (4300, 48458), (8600, 24229)]