204789248972

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{761}}^1\times {\mathrm{1621}}^1$

素因数の和:2429

約数の個数: 144

約数和(自身を含む): 460272993600

約数和(自身を除く): 255483744628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 343, 484, 539, 686, 761, 847, 1078, 1372, 1522, 1621, 1694, 2156, 3044, 3242, 3388, 3773, 5327, 5929, 6484, 7546, 8371, 10654, 11347, 11858, 15092, 16742, 17831, 21308, 22694, 23716, 33484, 35662, 37289, 41503, 45388, 58597, 71324, 74578, 79429, 83006, 92081, 117194, 124817, 149156, 158858, 166012, 184162, 196141, 234388, 249634, 261023, 317716, 368324, 392282, 410179, 499268, 522046, 556003, 644567, 784564, 820358, 873719, 1044092, 1112006, 1233581, 1289134, 1372987, 1640716, 1747438, 2224012, 2467162, 2578268, 2745974, 2871253, 3494876, 4511969, 4934324, 5491948, 5742506, 6116033, 8635067, 9023938, 9610909, 11485012, 12232066, 13569391, 17270134, 18047876, 19221818, 24464132, 27138782, 31583783, 34540268, 38443636, 54277564, 60445469, 63167566, 67276363, 94985737, 120890938, 126335132, 134552726, 149263301, 189971474, 241781876, 269105452, 298526602, 379942948, 423118283, 597053204, 664900159, 846236566, 1044843107, 1329800318, 1692473132, 2089686214, 2659600636, 4179372428, 4654301113, 7313901749, 9308602226, 14627803498, 18617204452, 29255606996, 51197312243, 102394624486, 204789248972]

約数ペア:

[(1, 204789248972), (2, 102394624486), (4, 51197312243), (7, 29255606996), (11, 18617204452), (14, 14627803498), (22, 9308602226), (28, 7313901749), (44, 4654301113), (49, 4179372428), (77, 2659600636), (98, 2089686214), (121, 1692473132), (154, 1329800318), (196, 1044843107), (242, 846236566), (308, 664900159), (343, 597053204), (484, 423118283), (539, 379942948), (686, 298526602), (761, 269105452), (847, 241781876), (1078, 189971474), (1372, 149263301), (1522, 134552726), (1621, 126335132), (1694, 120890938), (2156, 94985737), (3044, 67276363), (3242, 63167566), (3388, 60445469), (3773, 54277564), (5327, 38443636), (5929, 34540268), (6484, 31583783), (7546, 27138782), (8371, 24464132), (10654, 19221818), (11347, 18047876), (11858, 17270134), (15092, 13569391), (16742, 12232066), (17831, 11485012), (21308, 9610909), (22694, 9023938), (23716, 8635067), (33484, 6116033), (35662, 5742506), (37289, 5491948), (41503, 4934324), (45388, 4511969), (58597, 3494876), (71324, 2871253), (74578, 2745974), (79429, 2578268), (83006, 2467162), (92081, 2224012), (117194, 1747438), (124817, 1640716), (149156, 1372987), (158858, 1289134), (166012, 1233581), (184162, 1112006), (196141, 1044092), (234388, 873719), (249634, 820358), (261023, 784564), (317716, 644567), (368324, 556003), (392282, 522046), (410179, 499268)]