489842116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 920808000

約数和(自身を除く): 430965884

約数列:

[1, 2, 4, 19, 38, 76, 89, 139, 178, 278, 356, 521, 556, 1042, 1691, 2084, 2641, 3382, 5282, 6764, 9899, 10564, 12371, 19798, 24742, 39596, 46369, 49484, 72419, 92738, 144838, 185476, 235049, 289676, 470098, 881011, 940196, 1375961, 1762022, 2751922, 3524044, 5503844, 6445291, 12890582, 25781164, 122460529, 244921058, 489842116]

約数ペア:

[(1, 489842116), (2, 244921058), (4, 122460529), (19, 25781164), (38, 12890582), (76, 6445291), (89, 5503844), (139, 3524044), (178, 2751922), (278, 1762022), (356, 1375961), (521, 940196), (556, 881011), (1042, 470098), (1691, 289676), (2084, 235049), (2641, 185476), (3382, 144838), (5282, 92738), (6764, 72419), (9899, 49484), (10564, 46369), (12371, 39596), (19798, 24742)]