84054820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 181258560

約数和(自身を除く): 97203740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 179, 212, 265, 358, 443, 530, 716, 886, 895, 1060, 1772, 1790, 2215, 3580, 4430, 8860, 9487, 18974, 23479, 37948, 46958, 47435, 79297, 93916, 94870, 117395, 158594, 189740, 234790, 317188, 396485, 469580, 792970, 1585940, 4202741, 8405482, 16810964, 21013705, 42027410, 84054820]

約数ペア:

[(1, 84054820), (2, 42027410), (4, 21013705), (5, 16810964), (10, 8405482), (20, 4202741), (53, 1585940), (106, 792970), (179, 469580), (212, 396485), (265, 317188), (358, 234790), (443, 189740), (530, 158594), (716, 117395), (886, 94870), (895, 93916), (1060, 79297), (1772, 47435), (1790, 46958), (2215, 37948), (3580, 23479), (4430, 18974), (8860, 9487)]