139457920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{4447}}^1$

素因数の和:4480

約数の個数: 96

約数和(自身を含む): 387910080

約数和(自身を除く): 248452160

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, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4447, 4480, 6272, 7840, 8894, 15680, 17788, 22235, 31129, 31360, 35576, 44470, 62258, 71152, 88940, 124516, 142304, 155645, 177880, 217903, 249032, 284608, 311290, 355760, 435806, 498064, 569216, 622580, 711520, 871612, 996128, 1089515, 1245160, 1423040, 1743224, 1992256, 2179030, 2490320, 2846080, 3486448, 3984512, 4358060, 4980640, 6972896, 8716120, 9961280, 13945792, 17432240, 19922560, 27891584, 34864480, 69728960, 139457920]

約数ペア:

[(1, 139457920), (2, 69728960), (4, 34864480), (5, 27891584), (7, 19922560), (8, 17432240), (10, 13945792), (14, 9961280), (16, 8716120), (20, 6972896), (28, 4980640), (32, 4358060), (35, 3984512), (40, 3486448), (49, 2846080), (56, 2490320), (64, 2179030), (70, 1992256), (80, 1743224), (98, 1423040), (112, 1245160), (128, 1089515), (140, 996128), (160, 871612), (196, 711520), (224, 622580), (245, 569216), (280, 498064), (320, 435806), (392, 355760), (448, 311290), (490, 284608), (560, 249032), (640, 217903), (784, 177880), (896, 155645), (980, 142304), (1120, 124516), (1568, 88940), (1960, 71152), (2240, 62258), (3136, 44470), (3920, 35576), (4447, 31360), (4480, 31129), (6272, 22235), (7840, 17788), (8894, 15680)]