778854009020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2657}}^1\times {\mathrm{58393}}^1$

素因数の和:61310

約数の個数: 48

約数和(自身を含む): 1642755891168

約数和(自身を除く): 863901882148

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 2657, 5020, 5314, 10628, 13285, 26570, 53140, 58393, 116786, 233572, 291965, 583930, 666907, 1167860, 1333814, 2667628, 3334535, 6669070, 13338140, 14656643, 29313286, 58626572, 73283215, 146566430, 155150201, 293132860, 310300402, 620600804, 775751005, 1551502010, 3103004020, 38942700451, 77885400902, 155770801804, 194713502255, 389427004510, 778854009020]

約数ペア:

[(1, 778854009020), (2, 389427004510), (4, 194713502255), (5, 155770801804), (10, 77885400902), (20, 38942700451), (251, 3103004020), (502, 1551502010), (1004, 775751005), (1255, 620600804), (2510, 310300402), (2657, 293132860), (5020, 155150201), (5314, 146566430), (10628, 73283215), (13285, 58626572), (26570, 29313286), (53140, 14656643), (58393, 13338140), (116786, 6669070), (233572, 3334535), (291965, 2667628), (583930, 1333814), (666907, 1167860)]