209906928

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1721}}^1$

素因数の和:1764

約数の個数: 180

約数和(自身を含む): 738379824

約数和(自身を除く): 528472896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 121, 126, 132, 144, 154, 168, 176, 198, 231, 242, 252, 264, 308, 336, 363, 396, 462, 484, 504, 528, 616, 693, 726, 792, 847, 924, 968, 1008, 1089, 1232, 1386, 1452, 1584, 1694, 1721, 1848, 1936, 2178, 2541, 2772, 2904, 3388, 3442, 3696, 4356, 5082, 5163, 5544, 5808, 6776, 6884, 7623, 8712, 10164, 10326, 11088, 12047, 13552, 13768, 15246, 15489, 17424, 18931, 20328, 20652, 24094, 27536, 30492, 30978, 36141, 37862, 40656, 41304, 48188, 56793, 60984, 61956, 72282, 75724, 82608, 96376, 108423, 113586, 121968, 123912, 132517, 144564, 151448, 170379, 192752, 208241, 216846, 227172, 247824, 265034, 289128, 302896, 340758, 397551, 416482, 433692, 454344, 530068, 578256, 624723, 681516, 795102, 832964, 867384, 908688, 1060136, 1192653, 1249446, 1363032, 1457687, 1590204, 1665928, 1734768, 1874169, 2120272, 2385306, 2498892, 2726064, 2915374, 3180408, 3331856, 3748338, 4373061, 4770612, 4997784, 5830748, 6360816, 7496676, 8746122, 9541224, 9995568, 11661496, 13119183, 14993352, 17492244, 19082448, 23322992, 26238366, 29986704, 34984488, 52476732, 69968976, 104953464, 209906928]

約数ペア:

[(1, 209906928), (2, 104953464), (3, 69968976), (4, 52476732), (6, 34984488), (7, 29986704), (8, 26238366), (9, 23322992), (11, 19082448), (12, 17492244), (14, 14993352), (16, 13119183), (18, 11661496), (21, 9995568), (22, 9541224), (24, 8746122), (28, 7496676), (33, 6360816), (36, 5830748), (42, 4997784), (44, 4770612), (48, 4373061), (56, 3748338), (63, 3331856), (66, 3180408), (72, 2915374), (77, 2726064), (84, 2498892), (88, 2385306), (99, 2120272), (112, 1874169), (121, 1734768), (126, 1665928), (132, 1590204), (144, 1457687), (154, 1363032), (168, 1249446), (176, 1192653), (198, 1060136), (231, 908688), (242, 867384), (252, 832964), (264, 795102), (308, 681516), (336, 624723), (363, 578256), (396, 530068), (462, 454344), (484, 433692), (504, 416482), (528, 397551), (616, 340758), (693, 302896), (726, 289128), (792, 265034), (847, 247824), (924, 227172), (968, 216846), (1008, 208241), (1089, 192752), (1232, 170379), (1386, 151448), (1452, 144564), (1584, 132517), (1694, 123912), (1721, 121968), (1848, 113586), (1936, 108423), (2178, 96376), (2541, 82608), (2772, 75724), (2904, 72282), (3388, 61956), (3442, 60984), (3696, 56793), (4356, 48188), (5082, 41304), (5163, 40656), (5544, 37862), (5808, 36141), (6776, 30978), (6884, 30492), (7623, 27536), (8712, 24094), (10164, 20652), (10326, 20328), (11088, 18931), (12047, 17424), (13552, 15489), (13768, 15246)]