1380321376

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 144

約数和(自身を含む): 3316360320

約数和(自身を除く): 1936038944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 73, 98, 112, 124, 146, 196, 217, 224, 248, 292, 389, 392, 434, 496, 511, 584, 778, 784, 868, 992, 1022, 1168, 1519, 1556, 1568, 1736, 2044, 2263, 2336, 2723, 3038, 3112, 3472, 3577, 4088, 4526, 5446, 6076, 6224, 6944, 7154, 8176, 9052, 10892, 12059, 12152, 12448, 14308, 15841, 16352, 18104, 19061, 21784, 24118, 24304, 28397, 28616, 31682, 36208, 38122, 43568, 48236, 48608, 56794, 57232, 63364, 72416, 76244, 84413, 87136, 96472, 110887, 113588, 114464, 126728, 152488, 168826, 192944, 198779, 221774, 227176, 253456, 304976, 337652, 385888, 397558, 443548, 454352, 506912, 590891, 609952, 675304, 795116, 880307, 887096, 908704, 1181782, 1350608, 1391453, 1590232, 1760614, 1774192, 2363564, 2701216, 2782906, 3180464, 3521228, 3548384, 4727128, 5565812, 6162149, 6360928, 7042456, 9454256, 11131624, 12324298, 14084912, 18908512, 22263248, 24648596, 28169824, 43135043, 44526496, 49297192, 86270086, 98594384, 172540172, 197188768, 345080344, 690160688, 1380321376]

約数ペア:

[(1, 1380321376), (2, 690160688), (4, 345080344), (7, 197188768), (8, 172540172), (14, 98594384), (16, 86270086), (28, 49297192), (31, 44526496), (32, 43135043), (49, 28169824), (56, 24648596), (62, 22263248), (73, 18908512), (98, 14084912), (112, 12324298), (124, 11131624), (146, 9454256), (196, 7042456), (217, 6360928), (224, 6162149), (248, 5565812), (292, 4727128), (389, 3548384), (392, 3521228), (434, 3180464), (496, 2782906), (511, 2701216), (584, 2363564), (778, 1774192), (784, 1760614), (868, 1590232), (992, 1391453), (1022, 1350608), (1168, 1181782), (1519, 908704), (1556, 887096), (1568, 880307), (1736, 795116), (2044, 675304), (2263, 609952), (2336, 590891), (2723, 506912), (3038, 454352), (3112, 443548), (3472, 397558), (3577, 385888), (4088, 337652), (4526, 304976), (5446, 253456), (6076, 227176), (6224, 221774), (6944, 198779), (7154, 192944), (8176, 168826), (9052, 152488), (10892, 126728), (12059, 114464), (12152, 113588), (12448, 110887), (14308, 96472), (15841, 87136), (16352, 84413), (18104, 76244), (19061, 72416), (21784, 63364), (24118, 57232), (24304, 56794), (28397, 48608), (28616, 48236), (31682, 43568), (36208, 38122)]