9995140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 22881600

約数和(自身を除く): 12886460

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 907, 1102, 1814, 2204, 2755, 3628, 4535, 5510, 9070, 11020, 17233, 18140, 26303, 34466, 52606, 68932, 86165, 105212, 131515, 172330, 263030, 344660, 499757, 526060, 999514, 1999028, 2498785, 4997570, 9995140]

約数ペア:

[(1, 9995140), (2, 4997570), (4, 2498785), (5, 1999028), (10, 999514), (19, 526060), (20, 499757), (29, 344660), (38, 263030), (58, 172330), (76, 131515), (95, 105212), (116, 86165), (145, 68932), (190, 52606), (290, 34466), (380, 26303), (551, 18140), (580, 17233), (907, 11020), (1102, 9070), (1814, 5510), (2204, 4535), (2755, 3628)]