388502912

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 930631680

約数和(自身を除く): 542128768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 71, 112, 124, 128, 142, 197, 217, 224, 248, 284, 394, 434, 448, 496, 497, 568, 788, 868, 896, 992, 994, 1136, 1379, 1576, 1736, 1984, 1988, 2201, 2272, 2758, 3152, 3472, 3968, 3976, 4402, 4544, 5516, 6107, 6304, 6944, 7952, 8804, 9088, 11032, 12214, 12608, 13888, 13987, 15407, 15904, 17608, 22064, 24428, 25216, 27776, 27974, 30814, 31808, 35216, 42749, 44128, 48856, 55948, 61628, 63616, 70432, 85498, 88256, 97712, 97909, 111896, 123256, 140864, 170996, 176512, 195424, 195818, 223792, 246512, 281728, 341992, 390848, 391636, 433597, 447584, 493024, 683984, 781696, 783272, 867194, 895168, 986048, 1367968, 1566544, 1734388, 1790336, 1972096, 2735936, 3035179, 3133088, 3468776, 5471872, 6070358, 6266176, 6937552, 12140716, 12532352, 13875104, 24281432, 27750208, 48562864, 55500416, 97125728, 194251456, 388502912]

約数ペア:

[(1, 388502912), (2, 194251456), (4, 97125728), (7, 55500416), (8, 48562864), (14, 27750208), (16, 24281432), (28, 13875104), (31, 12532352), (32, 12140716), (56, 6937552), (62, 6266176), (64, 6070358), (71, 5471872), (112, 3468776), (124, 3133088), (128, 3035179), (142, 2735936), (197, 1972096), (217, 1790336), (224, 1734388), (248, 1566544), (284, 1367968), (394, 986048), (434, 895168), (448, 867194), (496, 783272), (497, 781696), (568, 683984), (788, 493024), (868, 447584), (896, 433597), (992, 391636), (994, 390848), (1136, 341992), (1379, 281728), (1576, 246512), (1736, 223792), (1984, 195818), (1988, 195424), (2201, 176512), (2272, 170996), (2758, 140864), (3152, 123256), (3472, 111896), (3968, 97909), (3976, 97712), (4402, 88256), (4544, 85498), (5516, 70432), (6107, 63616), (6304, 61628), (6944, 55948), (7952, 48856), (8804, 44128), (9088, 42749), (11032, 35216), (12214, 31808), (12608, 30814), (13888, 27974), (13987, 27776), (15407, 25216), (15904, 24428), (17608, 22064)]