127187600

素因数分解:

$2^4\times 5^2\times {\mathrm{317969}}^1$

素因数の和:317987

約数の個数: 30

約数和(自身を含む): 305569170

約数和(自身を除く): 178381570

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 317969, 635938, 1271876, 1589845, 2543752, 3179690, 5087504, 6359380, 7949225, 12718760, 15898450, 25437520, 31796900, 63593800, 127187600]

約数ペア:

[(1, 127187600), (2, 63593800), (4, 31796900), (5, 25437520), (8, 15898450), (10, 12718760), (16, 7949225), (20, 6359380), (25, 5087504), (40, 3179690), (50, 2543752), (80, 1589845), (100, 1271876), (200, 635938), (400, 317969)]