26586700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 69440000

約数和(自身を除く): 42853300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 1999, 2660, 3325, 3998, 6650, 7996, 9995, 13300, 13993, 19990, 27986, 37981, 39980, 49975, 55972, 69965, 75962, 99950, 139930, 151924, 189905, 199900, 265867, 279860, 349825, 379810, 531734, 699650, 759620, 949525, 1063468, 1329335, 1399300, 1899050, 2658670, 3798100, 5317340, 6646675, 13293350, 26586700]

約数ペア:

[(1, 26586700), (2, 13293350), (4, 6646675), (5, 5317340), (7, 3798100), (10, 2658670), (14, 1899050), (19, 1399300), (20, 1329335), (25, 1063468), (28, 949525), (35, 759620), (38, 699650), (50, 531734), (70, 379810), (76, 349825), (95, 279860), (100, 265867), (133, 199900), (140, 189905), (175, 151924), (190, 139930), (266, 99950), (350, 75962), (380, 69965), (475, 55972), (532, 49975), (665, 39980), (700, 37981), (950, 27986), (1330, 19990), (1900, 13993), (1999, 13300), (2660, 9995), (3325, 7996), (3998, 6650)]