28810040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14699}}^1$

素因数の和:14724

約数の個数: 48

約数和(自身を含む): 75411000

約数和(自身を除く): 46600960

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, 14699, 29398, 58796, 73495, 102893, 117592, 146990, 205786, 293980, 411572, 514465, 587960, 720251, 823144, 1028930, 1440502, 2057860, 2881004, 3601255, 4115720, 5762008, 7202510, 14405020, 28810040]

約数ペア:

[(1, 28810040), (2, 14405020), (4, 7202510), (5, 5762008), (7, 4115720), (8, 3601255), (10, 2881004), (14, 2057860), (20, 1440502), (28, 1028930), (35, 823144), (40, 720251), (49, 587960), (56, 514465), (70, 411572), (98, 293980), (140, 205786), (196, 146990), (245, 117592), (280, 102893), (392, 73495), (490, 58796), (980, 29398), (1960, 14699)]