208920320

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{3331}}^1$

素因数の和:3366

約数の個数: 108

約数和(自身を含む): 582306984

約数和(自身を除く): 373386664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3331, 3920, 4480, 6272, 6662, 7840, 8960, 12544, 13324, 15680, 16655, 23317, 26648, 31360, 33310, 46634, 53296, 62720, 66620, 93268, 106592, 116585, 133240, 163219, 186536, 213184, 233170, 266480, 326438, 373072, 426368, 466340, 532960, 652876, 746144, 816095, 852736, 932680, 1065920, 1305752, 1492288, 1632190, 1865360, 2131840, 2611504, 2984576, 3264380, 3730720, 4263680, 5223008, 5969152, 6528760, 7461440, 10446016, 13057520, 14922880, 20892032, 26115040, 29845760, 41784064, 52230080, 104460160, 208920320]

約数ペア:

[(1, 208920320), (2, 104460160), (4, 52230080), (5, 41784064), (7, 29845760), (8, 26115040), (10, 20892032), (14, 14922880), (16, 13057520), (20, 10446016), (28, 7461440), (32, 6528760), (35, 5969152), (40, 5223008), (49, 4263680), (56, 3730720), (64, 3264380), (70, 2984576), (80, 2611504), (98, 2131840), (112, 1865360), (128, 1632190), (140, 1492288), (160, 1305752), (196, 1065920), (224, 932680), (245, 852736), (256, 816095), (280, 746144), (320, 652876), (392, 532960), (448, 466340), (490, 426368), (560, 373072), (640, 326438), (784, 266480), (896, 233170), (980, 213184), (1120, 186536), (1280, 163219), (1568, 133240), (1792, 116585), (1960, 106592), (2240, 93268), (3136, 66620), (3331, 62720), (3920, 53296), (4480, 46634), (6272, 33310), (6662, 31360), (7840, 26648), (8960, 23317), (12544, 16655), (13324, 15680)]