28268380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8779}}^1$

素因数の和:8818

約数の個数: 48

約数和(自身を含む): 70801920

約数和(自身を除く): 42533540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8779, 17558, 35116, 43895, 61453, 87790, 122906, 175580, 201917, 245812, 307265, 403834, 614530, 807668, 1009585, 1229060, 1413419, 2019170, 2826838, 4038340, 5653676, 7067095, 14134190, 28268380]

約数ペア:

[(1, 28268380), (2, 14134190), (4, 7067095), (5, 5653676), (7, 4038340), (10, 2826838), (14, 2019170), (20, 1413419), (23, 1229060), (28, 1009585), (35, 807668), (46, 614530), (70, 403834), (92, 307265), (115, 245812), (140, 201917), (161, 175580), (230, 122906), (322, 87790), (460, 61453), (644, 43895), (805, 35116), (1610, 17558), (3220, 8779)]