858462520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{2551}}^1$

素因数の和:2788

約数の個数: 64

約数和(自身を含む): 1984435200

約数和(自身を除く): 1125972680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 179, 188, 235, 358, 376, 470, 716, 895, 940, 1432, 1790, 1880, 2551, 3580, 5102, 7160, 8413, 10204, 12755, 16826, 20408, 25510, 33652, 42065, 51020, 67304, 84130, 102040, 119897, 168260, 239794, 336520, 456629, 479588, 599485, 913258, 959176, 1198970, 1826516, 2283145, 2397940, 3653032, 4566290, 4795880, 9132580, 18265160, 21461563, 42923126, 85846252, 107307815, 171692504, 214615630, 429231260, 858462520]

約数ペア:

[(1, 858462520), (2, 429231260), (4, 214615630), (5, 171692504), (8, 107307815), (10, 85846252), (20, 42923126), (40, 21461563), (47, 18265160), (94, 9132580), (179, 4795880), (188, 4566290), (235, 3653032), (358, 2397940), (376, 2283145), (470, 1826516), (716, 1198970), (895, 959176), (940, 913258), (1432, 599485), (1790, 479588), (1880, 456629), (2551, 336520), (3580, 239794), (5102, 168260), (7160, 119897), (8413, 102040), (10204, 84130), (12755, 67304), (16826, 51020), (20408, 42065), (25510, 33652)]