201815320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{102967}}^1$

素因数の和:102992

約数の個数: 48

約数和(自身を含む): 528225840

約数和(自身を除く): 326410520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 102967, 205934, 411868, 514835, 720769, 823736, 1029670, 1441538, 2059340, 2883076, 3603845, 4118680, 5045383, 5766152, 7207690, 10090766, 14415380, 20181532, 25226915, 28830760, 40363064, 50453830, 100907660, 201815320]

約数ペア:

[(1, 201815320), (2, 100907660), (4, 50453830), (5, 40363064), (7, 28830760), (8, 25226915), (10, 20181532), (14, 14415380), (20, 10090766), (28, 7207690), (35, 5766152), (40, 5045383), (49, 4118680), (56, 3603845), (70, 2883076), (98, 2059340), (140, 1441538), (196, 1029670), (245, 823736), (280, 720769), (392, 514835), (490, 411868), (980, 205934), (1960, 102967)]