70689820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 154455840

約数和(自身を除く): 83766020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 307, 397, 580, 614, 794, 1228, 1535, 1588, 1985, 3070, 3970, 6140, 7940, 8903, 11513, 17806, 23026, 35612, 44515, 46052, 57565, 89030, 115130, 121879, 178060, 230260, 243758, 487516, 609395, 1218790, 2437580, 3534491, 7068982, 14137964, 17672455, 35344910, 70689820]

約数ペア:

[(1, 70689820), (2, 35344910), (4, 17672455), (5, 14137964), (10, 7068982), (20, 3534491), (29, 2437580), (58, 1218790), (116, 609395), (145, 487516), (290, 243758), (307, 230260), (397, 178060), (580, 121879), (614, 115130), (794, 89030), (1228, 57565), (1535, 46052), (1588, 44515), (1985, 35612), (3070, 23026), (3970, 17806), (6140, 11513), (7940, 8903)]