19930400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3559}}^1$

素因数の和:3586

約数の個数: 72

約数和(自身を含む): 55621440

約数和(自身を除く): 35691040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3559, 5600, 7118, 14236, 17795, 24913, 28472, 35590, 49826, 56944, 71180, 88975, 99652, 113888, 124565, 142360, 177950, 199304, 249130, 284720, 355900, 398608, 498260, 569440, 622825, 711800, 797216, 996520, 1245650, 1423600, 1993040, 2491300, 2847200, 3986080, 4982600, 9965200, 19930400]

約数ペア:

[(1, 19930400), (2, 9965200), (4, 4982600), (5, 3986080), (7, 2847200), (8, 2491300), (10, 1993040), (14, 1423600), (16, 1245650), (20, 996520), (25, 797216), (28, 711800), (32, 622825), (35, 569440), (40, 498260), (50, 398608), (56, 355900), (70, 284720), (80, 249130), (100, 199304), (112, 177950), (140, 142360), (160, 124565), (175, 113888), (200, 99652), (224, 88975), (280, 71180), (350, 56944), (400, 49826), (560, 35590), (700, 28472), (800, 24913), (1120, 17795), (1400, 14236), (2800, 7118), (3559, 5600)]