389932704

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{21491}}^1$

素因数の和:21520

約数の個数: 120

約数和(自身を含む): 1310668128

約数和(自身を除く): 920735424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1134, 1296, 1512, 2016, 2268, 2592, 3024, 4536, 6048, 9072, 18144, 21491, 42982, 64473, 85964, 128946, 150437, 171928, 193419, 257892, 300874, 343856, 386838, 451311, 515784, 580257, 601748, 687712, 773676, 902622, 1031568, 1160514, 1203496, 1353933, 1547352, 1740771, 1805244, 2063136, 2321028, 2406992, 2707866, 3094704, 3481542, 3610488, 4061799, 4642056, 4813984, 5415732, 6189408, 6963084, 7220976, 8123598, 9284112, 10831464, 12185397, 13926168, 14441952, 16247196, 18568224, 21662928, 24370794, 27852336, 32494392, 43325856, 48741588, 55704672, 64988784, 97483176, 129977568, 194966352, 389932704]

約数ペア:

[(1, 389932704), (2, 194966352), (3, 129977568), (4, 97483176), (6, 64988784), (7, 55704672), (8, 48741588), (9, 43325856), (12, 32494392), (14, 27852336), (16, 24370794), (18, 21662928), (21, 18568224), (24, 16247196), (27, 14441952), (28, 13926168), (32, 12185397), (36, 10831464), (42, 9284112), (48, 8123598), (54, 7220976), (56, 6963084), (63, 6189408), (72, 5415732), (81, 4813984), (84, 4642056), (96, 4061799), (108, 3610488), (112, 3481542), (126, 3094704), (144, 2707866), (162, 2406992), (168, 2321028), (189, 2063136), (216, 1805244), (224, 1740771), (252, 1547352), (288, 1353933), (324, 1203496), (336, 1160514), (378, 1031568), (432, 902622), (504, 773676), (567, 687712), (648, 601748), (672, 580257), (756, 515784), (864, 451311), (1008, 386838), (1134, 343856), (1296, 300874), (1512, 257892), (2016, 193419), (2268, 171928), (2592, 150437), (3024, 128946), (4536, 85964), (6048, 64473), (9072, 42982), (18144, 21491)]