138590940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{121571}}^1$

素因数の和:121602

約数の個数: 48

約数和(自身を含む): 408481920

約数和(自身を除く): 269890980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 121571, 243142, 364713, 486284, 607855, 729426, 1215710, 1458852, 1823565, 2309849, 2431420, 3647130, 4619698, 6929547, 7294260, 9239396, 11549245, 13859094, 23098490, 27718188, 34647735, 46196980, 69295470, 138590940]

約数ペア:

[(1, 138590940), (2, 69295470), (3, 46196980), (4, 34647735), (5, 27718188), (6, 23098490), (10, 13859094), (12, 11549245), (15, 9239396), (19, 7294260), (20, 6929547), (30, 4619698), (38, 3647130), (57, 2431420), (60, 2309849), (76, 1823565), (95, 1458852), (114, 1215710), (190, 729426), (228, 607855), (285, 486284), (380, 364713), (570, 243142), (1140, 121571)]