1078994980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163981}}^1$

素因数の和:164044

約数の個数: 48

約数和(自身を含む): 2644701696

約数和(自身を除く): 1565706716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 163981, 327962, 655924, 819905, 1147867, 1639810, 2295734, 3279620, 4591468, 5739335, 7707107, 11478670, 15414214, 22957340, 30828428, 38535535, 53949749, 77071070, 107899498, 154142140, 215798996, 269748745, 539497490, 1078994980]

約数ペア:

[(1, 1078994980), (2, 539497490), (4, 269748745), (5, 215798996), (7, 154142140), (10, 107899498), (14, 77071070), (20, 53949749), (28, 38535535), (35, 30828428), (47, 22957340), (70, 15414214), (94, 11478670), (140, 7707107), (188, 5739335), (235, 4591468), (329, 3279620), (470, 2295734), (658, 1639810), (940, 1147867), (1316, 819905), (1645, 655924), (3290, 327962), (6580, 163981)]