17928260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 43599360

約数和(自身を除く): 25671100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1621, 2212, 2765, 3242, 5530, 6484, 8105, 11060, 11347, 16210, 22694, 32420, 45388, 56735, 113470, 128059, 226940, 256118, 512236, 640295, 896413, 1280590, 1792826, 2561180, 3585652, 4482065, 8964130, 17928260]

約数ペア:

[(1, 17928260), (2, 8964130), (4, 4482065), (5, 3585652), (7, 2561180), (10, 1792826), (14, 1280590), (20, 896413), (28, 640295), (35, 512236), (70, 256118), (79, 226940), (140, 128059), (158, 113470), (316, 56735), (395, 45388), (553, 32420), (790, 22694), (1106, 16210), (1580, 11347), (1621, 11060), (2212, 8105), (2765, 6484), (3242, 5530)]