218973740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{1237}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 471707712

約数和(自身を除く): 252733972

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 167, 212, 265, 334, 530, 668, 835, 1060, 1237, 1670, 2474, 3340, 4948, 6185, 8851, 12370, 17702, 24740, 35404, 44255, 65561, 88510, 131122, 177020, 206579, 262244, 327805, 413158, 655610, 826316, 1032895, 1311220, 2065790, 4131580, 10948687, 21897374, 43794748, 54743435, 109486870, 218973740]

約数ペア:

[(1, 218973740), (2, 109486870), (4, 54743435), (5, 43794748), (10, 21897374), (20, 10948687), (53, 4131580), (106, 2065790), (167, 1311220), (212, 1032895), (265, 826316), (334, 655610), (530, 413158), (668, 327805), (835, 262244), (1060, 206579), (1237, 177020), (1670, 131122), (2474, 88510), (3340, 65561), (4948, 44255), (6185, 35404), (8851, 24740), (12370, 17702)]