199816960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:826

約数の個数: 144

約数和(自身を含む): 566596800

約数和(自身を除く): 366779840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 280, 290, 320, 406, 448, 464, 560, 580, 640, 769, 812, 896, 928, 1015, 1120, 1160, 1280, 1538, 1624, 1792, 1856, 2030, 2240, 2320, 3076, 3248, 3712, 3845, 4060, 4480, 4640, 5383, 6152, 6496, 7424, 7690, 8120, 8960, 9280, 10766, 12304, 12992, 15380, 16240, 18560, 21532, 22301, 24608, 25984, 26915, 30760, 32480, 37120, 43064, 44602, 49216, 51968, 53830, 61520, 64960, 86128, 89204, 98432, 107660, 111505, 123040, 129920, 156107, 172256, 178408, 196864, 215320, 223010, 246080, 259840, 312214, 344512, 356816, 430640, 446020, 492160, 624428, 689024, 713632, 780535, 861280, 892040, 984320, 1248856, 1378048, 1427264, 1561070, 1722560, 1784080, 2497712, 2854528, 3122140, 3445120, 3568160, 4995424, 5709056, 6244280, 6890240, 7136320, 9990848, 12488560, 14272640, 19981696, 24977120, 28545280, 39963392, 49954240, 99908480, 199816960]

約数ペア:

[(1, 199816960), (2, 99908480), (4, 49954240), (5, 39963392), (7, 28545280), (8, 24977120), (10, 19981696), (14, 14272640), (16, 12488560), (20, 9990848), (28, 7136320), (29, 6890240), (32, 6244280), (35, 5709056), (40, 4995424), (56, 3568160), (58, 3445120), (64, 3122140), (70, 2854528), (80, 2497712), (112, 1784080), (116, 1722560), (128, 1561070), (140, 1427264), (145, 1378048), (160, 1248856), (203, 984320), (224, 892040), (232, 861280), (256, 780535), (280, 713632), (290, 689024), (320, 624428), (406, 492160), (448, 446020), (464, 430640), (560, 356816), (580, 344512), (640, 312214), (769, 259840), (812, 246080), (896, 223010), (928, 215320), (1015, 196864), (1120, 178408), (1160, 172256), (1280, 156107), (1538, 129920), (1624, 123040), (1792, 111505), (1856, 107660), (2030, 98432), (2240, 89204), (2320, 86128), (3076, 64960), (3248, 61520), (3712, 53830), (3845, 51968), (4060, 49216), (4480, 44602), (4640, 43064), (5383, 37120), (6152, 32480), (6496, 30760), (7424, 26915), (7690, 25984), (8120, 24608), (8960, 22301), (9280, 21532), (10766, 18560), (12304, 16240), (12992, 15380)]