207977800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 513360000

約数和(自身を除く): 305382200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 229, 239, 380, 458, 475, 478, 760, 916, 950, 956, 1145, 1195, 1832, 1900, 1912, 2290, 2390, 3800, 4351, 4541, 4580, 4780, 5725, 5975, 8702, 9082, 9160, 9560, 11450, 11950, 17404, 18164, 21755, 22705, 22900, 23900, 34808, 36328, 43510, 45410, 45800, 47800, 54731, 87020, 90820, 108775, 109462, 113525, 174040, 181640, 217550, 218924, 227050, 273655, 435100, 437848, 454100, 547310, 870200, 908200, 1039889, 1094620, 1368275, 2079778, 2189240, 2736550, 4159556, 5199445, 5473100, 8319112, 10398890, 10946200, 20797780, 25997225, 41595560, 51994450, 103988900, 207977800]

約数ペア:

[(1, 207977800), (2, 103988900), (4, 51994450), (5, 41595560), (8, 25997225), (10, 20797780), (19, 10946200), (20, 10398890), (25, 8319112), (38, 5473100), (40, 5199445), (50, 4159556), (76, 2736550), (95, 2189240), (100, 2079778), (152, 1368275), (190, 1094620), (200, 1039889), (229, 908200), (239, 870200), (380, 547310), (458, 454100), (475, 437848), (478, 435100), (760, 273655), (916, 227050), (950, 218924), (956, 217550), (1145, 181640), (1195, 174040), (1832, 113525), (1900, 109462), (1912, 108775), (2290, 90820), (2390, 87020), (3800, 54731), (4351, 47800), (4541, 45800), (4580, 45410), (4780, 43510), (5725, 36328), (5975, 34808), (8702, 23900), (9082, 22900), (9160, 22705), (9560, 21755), (11450, 18164), (11950, 17404)]