201744680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 466560000

約数和(自身を除く): 264815320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 239, 376, 449, 470, 478, 898, 940, 956, 1195, 1796, 1880, 1912, 2245, 2390, 3592, 4490, 4780, 8980, 9560, 11233, 17960, 21103, 22466, 42206, 44932, 56165, 84412, 89864, 105515, 107311, 112330, 168824, 211030, 214622, 224660, 422060, 429244, 449320, 536555, 844120, 858488, 1073110, 2146220, 4292440, 5043617, 10087234, 20174468, 25218085, 40348936, 50436170, 100872340, 201744680]

約数ペア:

[(1, 201744680), (2, 100872340), (4, 50436170), (5, 40348936), (8, 25218085), (10, 20174468), (20, 10087234), (40, 5043617), (47, 4292440), (94, 2146220), (188, 1073110), (235, 858488), (239, 844120), (376, 536555), (449, 449320), (470, 429244), (478, 422060), (898, 224660), (940, 214622), (956, 211030), (1195, 168824), (1796, 112330), (1880, 107311), (1912, 105515), (2245, 89864), (2390, 84412), (3592, 56165), (4490, 44932), (4780, 42206), (8980, 22466), (9560, 21103), (11233, 17960)]