187278571280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{121351}}^1$

素因数の和:121656

約数の個数: 80

約数和(自身を含む): 442039707648

約数和(自身を除く): 254761136368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 191, 202, 382, 404, 505, 764, 808, 955, 1010, 1528, 1616, 1910, 2020, 3056, 3820, 4040, 7640, 8080, 15280, 19291, 38582, 77164, 96455, 121351, 154328, 192910, 242702, 308656, 385820, 485404, 606755, 771640, 970808, 1213510, 1543280, 1941616, 2427020, 4854040, 9708080, 12256451, 23178041, 24512902, 46356082, 49025804, 61282255, 92712164, 98051608, 115890205, 122564510, 185424328, 196103216, 231780410, 245129020, 370848656, 463560820, 490258040, 927121640, 980516080, 1854243280, 2340982141, 4681964282, 9363928564, 11704910705, 18727857128, 23409821410, 37455714256, 46819642820, 93639285640, 187278571280]

約数ペア:

[(1, 187278571280), (2, 93639285640), (4, 46819642820), (5, 37455714256), (8, 23409821410), (10, 18727857128), (16, 11704910705), (20, 9363928564), (40, 4681964282), (80, 2340982141), (101, 1854243280), (191, 980516080), (202, 927121640), (382, 490258040), (404, 463560820), (505, 370848656), (764, 245129020), (808, 231780410), (955, 196103216), (1010, 185424328), (1528, 122564510), (1616, 115890205), (1910, 98051608), (2020, 92712164), (3056, 61282255), (3820, 49025804), (4040, 46356082), (7640, 24512902), (8080, 23178041), (15280, 12256451), (19291, 9708080), (38582, 4854040), (77164, 2427020), (96455, 1941616), (121351, 1543280), (154328, 1213510), (192910, 970808), (242702, 771640), (308656, 606755), (385820, 485404)]