239403800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^2$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 588252900

約数和(自身を除く): 348849100

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 251, 380, 475, 502, 760, 950, 1004, 1255, 1900, 2008, 2510, 3800, 4769, 5020, 6275, 9538, 10040, 12550, 19076, 23845, 25100, 38152, 47690, 50200, 63001, 95380, 119225, 126002, 190760, 238450, 252004, 315005, 476900, 504008, 630010, 953800, 1197019, 1260020, 1575025, 2394038, 2520040, 3150050, 4788076, 5985095, 6300100, 9576152, 11970190, 12600200, 23940380, 29925475, 47880760, 59850950, 119701900, 239403800]

約数ペア:

[(1, 239403800), (2, 119701900), (4, 59850950), (5, 47880760), (8, 29925475), (10, 23940380), (19, 12600200), (20, 11970190), (25, 9576152), (38, 6300100), (40, 5985095), (50, 4788076), (76, 3150050), (95, 2520040), (100, 2394038), (152, 1575025), (190, 1260020), (200, 1197019), (251, 953800), (380, 630010), (475, 504008), (502, 476900), (760, 315005), (950, 252004), (1004, 238450), (1255, 190760), (1900, 126002), (2008, 119225), (2510, 95380), (3800, 63001), (4769, 50200), (5020, 47690), (6275, 38152), (9538, 25100), (10040, 23845), (12550, 19076)]