1343138740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{7481}}^1$

素因数の和:7728

約数の個数: 48

約数和(自身を含む): 2896072704

約数和(自身を除く): 1552933964

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 191, 235, 382, 470, 764, 940, 955, 1910, 3820, 7481, 8977, 14962, 17954, 29924, 35908, 37405, 44885, 74810, 89770, 149620, 179540, 351607, 703214, 1406428, 1428871, 1758035, 2857742, 3516070, 5715484, 7032140, 7144355, 14288710, 28577420, 67156937, 134313874, 268627748, 335784685, 671569370, 1343138740]

約数ペア:

[(1, 1343138740), (2, 671569370), (4, 335784685), (5, 268627748), (10, 134313874), (20, 67156937), (47, 28577420), (94, 14288710), (188, 7144355), (191, 7032140), (235, 5715484), (382, 3516070), (470, 2857742), (764, 1758035), (940, 1428871), (955, 1406428), (1910, 703214), (3820, 351607), (7481, 179540), (8977, 149620), (14962, 89770), (17954, 74810), (29924, 44885), (35908, 37405)]