1388644990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{116791}}^1$

素因数の和:116868

約数の個数: 32

約数和(自身を含む): 2648842560

約数和(自身を除く): 1260197570

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 2378, 5945, 11890, 116791, 233582, 583955, 1167910, 3386939, 4788431, 6773878, 9576862, 16934695, 23942155, 33869390, 47884310, 138864499, 277728998, 694322495, 1388644990]

約数ペア:

[(1, 1388644990), (2, 694322495), (5, 277728998), (10, 138864499), (29, 47884310), (41, 33869390), (58, 23942155), (82, 16934695), (145, 9576862), (205, 6773878), (290, 4788431), (410, 3386939), (1189, 1167910), (2378, 583955), (5945, 233582), (11890, 116791)]