161500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:55

約数の個数: 48

約数和(自身を含む): 393120

約数和(自身を除く): 231620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 125, 170, 190, 250, 323, 340, 380, 425, 475, 500, 646, 850, 950, 1292, 1615, 1700, 1900, 2125, 2375, 3230, 4250, 4750, 6460, 8075, 8500, 9500, 16150, 32300, 40375, 80750, 161500]

約数ペア:

[(1, 161500), (2, 80750), (4, 40375), (5, 32300), (10, 16150), (17, 9500), (19, 8500), (20, 8075), (25, 6460), (34, 4750), (38, 4250), (50, 3230), (68, 2375), (76, 2125), (85, 1900), (95, 1700), (100, 1615), (125, 1292), (170, 950), (190, 850), (250, 646), (323, 500), (340, 475), (380, 425)]