7144100

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 15624000

約数和(自身を除く): 8479900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 359, 398, 718, 796, 995, 1436, 1795, 1990, 3590, 3980, 4975, 7180, 8975, 9950, 17950, 19900, 35900, 71441, 142882, 285764, 357205, 714410, 1428820, 1786025, 3572050, 7144100]

約数ペア:

[(1, 7144100), (2, 3572050), (4, 1786025), (5, 1428820), (10, 714410), (20, 357205), (25, 285764), (50, 142882), (100, 71441), (199, 35900), (359, 19900), (398, 17950), (718, 9950), (796, 8975), (995, 7180), (1436, 4975), (1795, 3980), (1990, 3590)]