211016380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{10979}}^1$

素因数の和:11050

約数の個数: 36

約数和(自身を含む): 457931880

約数和(自身を除く): 246915500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 10979, 19220, 21958, 43916, 54895, 109790, 219580, 340349, 680698, 1361396, 1701745, 3403490, 6806980, 10550819, 21101638, 42203276, 52754095, 105508190, 211016380]

約数ペア:

[(1, 211016380), (2, 105508190), (4, 52754095), (5, 42203276), (10, 21101638), (20, 10550819), (31, 6806980), (62, 3403490), (124, 1701745), (155, 1361396), (310, 680698), (620, 340349), (961, 219580), (1922, 109790), (3844, 54895), (4805, 43916), (9610, 21958), (10979, 19220)]