2181810130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 4181414400

約数和(自身を除く): 1999604270

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 199, 230, 365, 398, 653, 730, 995, 1306, 1679, 1990, 3265, 3358, 4577, 6530, 8395, 9154, 14527, 15019, 16790, 22885, 29054, 30038, 45770, 47669, 72635, 75095, 95338, 129947, 145270, 150190, 238345, 259894, 334121, 476690, 649735, 668242, 1096387, 1299470, 1670605, 2192774, 2988781, 3341210, 5481935, 5977562, 9486131, 10963870, 14943905, 18972262, 29887810, 47430655, 94861310, 218181013, 436362026, 1090905065, 2181810130]

約数ペア:

[(1, 2181810130), (2, 1090905065), (5, 436362026), (10, 218181013), (23, 94861310), (46, 47430655), (73, 29887810), (115, 18972262), (146, 14943905), (199, 10963870), (230, 9486131), (365, 5977562), (398, 5481935), (653, 3341210), (730, 2988781), (995, 2192774), (1306, 1670605), (1679, 1299470), (1990, 1096387), (3265, 668242), (3358, 649735), (4577, 476690), (6530, 334121), (8395, 259894), (9154, 238345), (14527, 150190), (15019, 145270), (16790, 129947), (22885, 95338), (29054, 75095), (30038, 72635), (45770, 47669)]