1780937060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{60289}}^1$

素因数の和:60516

約数の個数: 48

約数和(自身を含む): 4294577280

約数和(自身を除く): 2513640220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 60289, 120578, 241156, 301445, 422023, 602890, 844046, 1205780, 1688092, 2110115, 4220230, 8440460, 12720979, 25441958, 50883916, 63604895, 89046853, 127209790, 178093706, 254419580, 356187412, 445234265, 890468530, 1780937060]

約数ペア:

[(1, 1780937060), (2, 890468530), (4, 445234265), (5, 356187412), (7, 254419580), (10, 178093706), (14, 127209790), (20, 89046853), (28, 63604895), (35, 50883916), (70, 25441958), (140, 12720979), (211, 8440460), (422, 4220230), (844, 2110115), (1055, 1688092), (1477, 1205780), (2110, 844046), (2954, 602890), (4220, 422023), (5908, 301445), (7385, 241156), (14770, 120578), (29540, 60289)]