19966100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2593}}^1$

素因数の和:2625

約数の個数: 72

約数和(自身を含む): 54038208

約数和(自身を除く): 34072108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2593, 3850, 5186, 7700, 10372, 12965, 18151, 25930, 28523, 36302, 51860, 57046, 64825, 72604, 90755, 114092, 129650, 142615, 181510, 199661, 259300, 285230, 363020, 399322, 453775, 570460, 713075, 798644, 907550, 998305, 1426150, 1815100, 1996610, 2852300, 3993220, 4991525, 9983050, 19966100]

約数ペア:

[(1, 19966100), (2, 9983050), (4, 4991525), (5, 3993220), (7, 2852300), (10, 1996610), (11, 1815100), (14, 1426150), (20, 998305), (22, 907550), (25, 798644), (28, 713075), (35, 570460), (44, 453775), (50, 399322), (55, 363020), (70, 285230), (77, 259300), (100, 199661), (110, 181510), (140, 142615), (154, 129650), (175, 114092), (220, 90755), (275, 72604), (308, 64825), (350, 57046), (385, 51860), (550, 36302), (700, 28523), (770, 25930), (1100, 18151), (1540, 12965), (1925, 10372), (2593, 7700), (3850, 5186)]