168966140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1069}}^1\times {\mathrm{1129}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 406257600

約数和(自身を除く): 237291460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1069, 1129, 2138, 2258, 4276, 4516, 5345, 5645, 7483, 7903, 10690, 11290, 14966, 15806, 21380, 22580, 29932, 31612, 37415, 39515, 74830, 79030, 149660, 158060, 1206901, 2413802, 4827604, 6034505, 8448307, 12069010, 16896614, 24138020, 33793228, 42241535, 84483070, 168966140]

約数ペア:

[(1, 168966140), (2, 84483070), (4, 42241535), (5, 33793228), (7, 24138020), (10, 16896614), (14, 12069010), (20, 8448307), (28, 6034505), (35, 4827604), (70, 2413802), (140, 1206901), (1069, 158060), (1129, 149660), (2138, 79030), (2258, 74830), (4276, 39515), (4516, 37415), (5345, 31612), (5645, 29932), (7483, 22580), (7903, 21380), (10690, 15806), (11290, 14966)]