31605650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 61871040

約数和(自身を除く): 30265390

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 142, 145, 290, 307, 355, 614, 710, 725, 1450, 1535, 1775, 2059, 3070, 3550, 4118, 7675, 8903, 10295, 15350, 17806, 20590, 21797, 43594, 44515, 51475, 89030, 102950, 108985, 217970, 222575, 445150, 544925, 632113, 1089850, 1264226, 3160565, 6321130, 15802825, 31605650]

約数ペア:

[(1, 31605650), (2, 15802825), (5, 6321130), (10, 3160565), (25, 1264226), (29, 1089850), (50, 632113), (58, 544925), (71, 445150), (142, 222575), (145, 217970), (290, 108985), (307, 102950), (355, 89030), (614, 51475), (710, 44515), (725, 43594), (1450, 21797), (1535, 20590), (1775, 17806), (2059, 15350), (3070, 10295), (3550, 8903), (4118, 7675)]