205504740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3793}}^1$

素因数の和:3858

約数の個数: 144

約数和(自身を含む): 729176448

約数和(自身を除く): 523671708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3793, 3870, 4515, 5418, 6020, 7586, 7740, 9030, 10836, 11379, 13545, 15172, 18060, 18965, 22758, 26551, 27090, 34137, 37930, 45516, 53102, 54180, 56895, 68274, 75860, 79653, 106204, 113790, 132755, 136548, 159306, 163099, 170685, 227580, 238959, 265510, 318612, 326198, 341370, 398265, 477918, 489297, 531020, 652396, 682740, 796530, 815495, 955836, 978594, 1141693, 1194795, 1467891, 1593060, 1630990, 1957188, 2283386, 2389590, 2446485, 2935782, 3261980, 3425079, 4566772, 4779180, 4892970, 5708465, 5871564, 6850158, 7339455, 9785940, 10275237, 11416930, 13700316, 14678910, 17125395, 20550474, 22833860, 29357820, 34250790, 41100948, 51376185, 68501580, 102752370, 205504740]

約数ペア:

[(1, 205504740), (2, 102752370), (3, 68501580), (4, 51376185), (5, 41100948), (6, 34250790), (7, 29357820), (9, 22833860), (10, 20550474), (12, 17125395), (14, 14678910), (15, 13700316), (18, 11416930), (20, 10275237), (21, 9785940), (28, 7339455), (30, 6850158), (35, 5871564), (36, 5708465), (42, 4892970), (43, 4779180), (45, 4566772), (60, 3425079), (63, 3261980), (70, 2935782), (84, 2446485), (86, 2389590), (90, 2283386), (105, 1957188), (126, 1630990), (129, 1593060), (140, 1467891), (172, 1194795), (180, 1141693), (210, 978594), (215, 955836), (252, 815495), (258, 796530), (301, 682740), (315, 652396), (387, 531020), (420, 489297), (430, 477918), (516, 398265), (602, 341370), (630, 326198), (645, 318612), (774, 265510), (860, 238959), (903, 227580), (1204, 170685), (1260, 163099), (1290, 159306), (1505, 136548), (1548, 132755), (1806, 113790), (1935, 106204), (2580, 79653), (2709, 75860), (3010, 68274), (3612, 56895), (3793, 54180), (3870, 53102), (4515, 45516), (5418, 37930), (6020, 34137), (7586, 27090), (7740, 26551), (9030, 22758), (10836, 18965), (11379, 18060), (13545, 15172)]