209870352

素因数分解:

$2^4\times 3^6\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:992

約数の個数: 140

約数和(自身を含む): 642421680

約数和(自身を除く): 432551328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 432, 456, 486, 513, 648, 684, 729, 912, 947, 972, 1026, 1296, 1368, 1458, 1539, 1894, 1944, 2052, 2736, 2841, 2916, 3078, 3788, 3888, 4104, 4617, 5682, 5832, 6156, 7576, 8208, 8523, 9234, 11364, 11664, 12312, 13851, 15152, 17046, 17993, 18468, 22728, 24624, 25569, 27702, 34092, 35986, 36936, 45456, 51138, 53979, 55404, 68184, 71972, 73872, 76707, 102276, 107958, 110808, 136368, 143944, 153414, 161937, 204552, 215916, 221616, 230121, 287888, 306828, 323874, 409104, 431832, 460242, 485811, 613656, 647748, 690363, 863664, 920484, 971622, 1227312, 1295496, 1380726, 1457433, 1840968, 1943244, 2590992, 2761452, 2914866, 3681936, 3886488, 4372299, 5522904, 5829732, 7772976, 8744598, 11045808, 11659464, 13116897, 17489196, 23318928, 26233794, 34978392, 52467588, 69956784, 104935176, 209870352]

約数ペア:

[(1, 209870352), (2, 104935176), (3, 69956784), (4, 52467588), (6, 34978392), (8, 26233794), (9, 23318928), (12, 17489196), (16, 13116897), (18, 11659464), (19, 11045808), (24, 8744598), (27, 7772976), (36, 5829732), (38, 5522904), (48, 4372299), (54, 3886488), (57, 3681936), (72, 2914866), (76, 2761452), (81, 2590992), (108, 1943244), (114, 1840968), (144, 1457433), (152, 1380726), (162, 1295496), (171, 1227312), (216, 971622), (228, 920484), (243, 863664), (304, 690363), (324, 647748), (342, 613656), (432, 485811), (456, 460242), (486, 431832), (513, 409104), (648, 323874), (684, 306828), (729, 287888), (912, 230121), (947, 221616), (972, 215916), (1026, 204552), (1296, 161937), (1368, 153414), (1458, 143944), (1539, 136368), (1894, 110808), (1944, 107958), (2052, 102276), (2736, 76707), (2841, 73872), (2916, 71972), (3078, 68184), (3788, 55404), (3888, 53979), (4104, 51138), (4617, 45456), (5682, 36936), (5832, 35986), (6156, 34092), (7576, 27702), (8208, 25569), (8523, 24624), (9234, 22728), (11364, 18468), (11664, 17993), (12312, 17046), (13851, 15152)]