2018958554780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1\times {\mathrm{68281}}^1$

素因数の和:68775

約数の個数: 96

約数和(自身を含む): 4396886649792

約数和(自身を除く): 2377928095012

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 337, 410, 428, 535, 674, 820, 1070, 1348, 1685, 2140, 3370, 4387, 6740, 8774, 13817, 17548, 21935, 27634, 36059, 43870, 55268, 68281, 69085, 72118, 87740, 136562, 138170, 144236, 180295, 273124, 276340, 341405, 360590, 682810, 721180, 1365620, 1478419, 2799521, 2956838, 5599042, 5913676, 7306067, 7392095, 11198084, 13997605, 14612134, 14784190, 23010697, 27995210, 29224268, 29568380, 36530335, 46021394, 55990420, 73060670, 92042788, 115053485, 146121340, 230106970, 299548747, 460213940, 599097494, 943438577, 1198194988, 1497743735, 1886877154, 2462144579, 2995487470, 3773754308, 4717192885, 4924289158, 5990974940, 9434385770, 9848578316, 12310722895, 18868771540, 24621445790, 49242891580, 100947927739, 201895855478, 403791710956, 504739638695, 1009479277390, 2018958554780]

約数ペア:

[(1, 2018958554780), (2, 1009479277390), (4, 504739638695), (5, 403791710956), (10, 201895855478), (20, 100947927739), (41, 49242891580), (82, 24621445790), (107, 18868771540), (164, 12310722895), (205, 9848578316), (214, 9434385770), (337, 5990974940), (410, 4924289158), (428, 4717192885), (535, 3773754308), (674, 2995487470), (820, 2462144579), (1070, 1886877154), (1348, 1497743735), (1685, 1198194988), (2140, 943438577), (3370, 599097494), (4387, 460213940), (6740, 299548747), (8774, 230106970), (13817, 146121340), (17548, 115053485), (21935, 92042788), (27634, 73060670), (36059, 55990420), (43870, 46021394), (55268, 36530335), (68281, 29568380), (69085, 29224268), (72118, 27995210), (87740, 23010697), (136562, 14784190), (138170, 14612134), (144236, 13997605), (180295, 11198084), (273124, 7392095), (276340, 7306067), (341405, 5913676), (360590, 5599042), (682810, 2956838), (721180, 2799521), (1365620, 1478419)]