203989520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{364267}}^1$

素因数の和:364287

約数の個数: 40

約数和(自身を含む): 542030784

約数和(自身を除く): 338041264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 364267, 728534, 1457068, 1821335, 2549869, 2914136, 3642670, 5099738, 5828272, 7285340, 10199476, 12749345, 14570680, 20398952, 25498690, 29141360, 40797904, 50997380, 101994760, 203989520]

約数ペア:

[(1, 203989520), (2, 101994760), (4, 50997380), (5, 40797904), (7, 29141360), (8, 25498690), (10, 20398952), (14, 14570680), (16, 12749345), (20, 10199476), (28, 7285340), (35, 5828272), (40, 5099738), (56, 3642670), (70, 2914136), (80, 2549869), (112, 1821335), (140, 1457068), (280, 728534), (560, 364267)]