291299120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{74311}}^1$

素因数の和:74338

約数の個数: 60

約数和(自身を含む): 787855824

約数和(自身を除く): 496556704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 74311, 148622, 297244, 371555, 520177, 594488, 743110, 1040354, 1188976, 1486220, 2080708, 2600885, 2972440, 3641239, 4161416, 5201770, 5944880, 7282478, 8322832, 10403540, 14564956, 18206195, 20807080, 29129912, 36412390, 41614160, 58259824, 72824780, 145649560, 291299120]

約数ペア:

[(1, 291299120), (2, 145649560), (4, 72824780), (5, 58259824), (7, 41614160), (8, 36412390), (10, 29129912), (14, 20807080), (16, 18206195), (20, 14564956), (28, 10403540), (35, 8322832), (40, 7282478), (49, 5944880), (56, 5201770), (70, 4161416), (80, 3641239), (98, 2972440), (112, 2600885), (140, 2080708), (196, 1486220), (245, 1188976), (280, 1040354), (392, 743110), (490, 594488), (560, 520177), (784, 371555), (980, 297244), (1960, 148622), (3920, 74311)]