157884280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 366042240

約数和(自身を除く): 208157960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 376, 470, 548, 613, 685, 940, 1096, 1226, 1370, 1880, 2452, 2740, 3065, 4904, 5480, 6130, 6439, 12260, 12878, 24520, 25756, 28811, 32195, 51512, 57622, 64390, 83981, 115244, 128780, 144055, 167962, 230488, 257560, 288110, 335924, 419905, 576220, 671848, 839810, 1152440, 1679620, 3359240, 3947107, 7894214, 15788428, 19735535, 31576856, 39471070, 78942140, 157884280]

約数ペア:

[(1, 157884280), (2, 78942140), (4, 39471070), (5, 31576856), (8, 19735535), (10, 15788428), (20, 7894214), (40, 3947107), (47, 3359240), (94, 1679620), (137, 1152440), (188, 839810), (235, 671848), (274, 576220), (376, 419905), (470, 335924), (548, 288110), (613, 257560), (685, 230488), (940, 167962), (1096, 144055), (1226, 128780), (1370, 115244), (1880, 83981), (2452, 64390), (2740, 57622), (3065, 51512), (4904, 32195), (5480, 28811), (6130, 25756), (6439, 24520), (12260, 12878)]