2018356780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{116131}}^1$

素因数の和:116230

約数の個数: 48

約数和(自身を含む): 4682442240

約数和(自身を除く): 2664085460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 116131, 232262, 464524, 580655, 1161310, 1277441, 2322620, 2554882, 5109764, 6387205, 9174349, 12774410, 18348698, 25548820, 36697396, 45871745, 91743490, 100917839, 183486980, 201835678, 403671356, 504589195, 1009178390, 2018356780]

約数ペア:

[(1, 2018356780), (2, 1009178390), (4, 504589195), (5, 403671356), (10, 201835678), (11, 183486980), (20, 100917839), (22, 91743490), (44, 45871745), (55, 36697396), (79, 25548820), (110, 18348698), (158, 12774410), (220, 9174349), (316, 6387205), (395, 5109764), (790, 2554882), (869, 2322620), (1580, 1277441), (1738, 1161310), (3476, 580655), (4345, 464524), (8690, 232262), (17380, 116131)]