815031220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{93253}}^1$

素因数の和:93304

約数の個数: 48

約数和(自身を含む): 1880000640

約数和(自身を除く): 1064969420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 93253, 186506, 373012, 466265, 932530, 1771807, 1865060, 2144819, 3543614, 4289638, 7087228, 8579276, 8859035, 10724095, 17718070, 21448190, 35436140, 40751561, 42896380, 81503122, 163006244, 203757805, 407515610, 815031220]

約数ペア:

[(1, 815031220), (2, 407515610), (4, 203757805), (5, 163006244), (10, 81503122), (19, 42896380), (20, 40751561), (23, 35436140), (38, 21448190), (46, 17718070), (76, 10724095), (92, 8859035), (95, 8579276), (115, 7087228), (190, 4289638), (230, 3543614), (380, 2144819), (437, 1865060), (460, 1771807), (874, 932530), (1748, 466265), (2185, 373012), (4370, 186506), (8740, 93253)]