515788340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{23857}}^1$

素因数の和:23936

約数の個数: 48

約数和(自身を含む): 1154345472

約数和(自身を除く): 638557132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 21620, 23857, 47714, 95428, 119285, 238570, 477140, 548711, 1097422, 1121279, 2194844, 2242558, 2743555, 4485116, 5487110, 5606395, 10974220, 11212790, 22425580, 25789417, 51578834, 103157668, 128947085, 257894170, 515788340]

約数ペア:

[(1, 515788340), (2, 257894170), (4, 128947085), (5, 103157668), (10, 51578834), (20, 25789417), (23, 22425580), (46, 11212790), (47, 10974220), (92, 5606395), (94, 5487110), (115, 4485116), (188, 2743555), (230, 2242558), (235, 2194844), (460, 1121279), (470, 1097422), (940, 548711), (1081, 477140), (2162, 238570), (4324, 119285), (5405, 95428), (10810, 47714), (21620, 23857)]