28544076260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{215297}}^1$

素因数の和:216260

約数の個数: 48

約数和(自身を含む): 68578441344

約数和(自身を除く): 40034365084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 947, 1894, 3788, 4735, 6629, 9470, 13258, 18940, 26516, 33145, 66290, 132580, 215297, 430594, 861188, 1076485, 1507079, 2152970, 3014158, 4305940, 6028316, 7535395, 15070790, 30141580, 203886259, 407772518, 815545036, 1019431295, 1427203813, 2038862590, 2854407626, 4077725180, 5708815252, 7136019065, 14272038130, 28544076260]

約数ペア:

[(1, 28544076260), (2, 14272038130), (4, 7136019065), (5, 5708815252), (7, 4077725180), (10, 2854407626), (14, 2038862590), (20, 1427203813), (28, 1019431295), (35, 815545036), (70, 407772518), (140, 203886259), (947, 30141580), (1894, 15070790), (3788, 7535395), (4735, 6028316), (6629, 4305940), (9470, 3014158), (13258, 2152970), (18940, 1507079), (26516, 1076485), (33145, 861188), (66290, 430594), (132580, 215297)]