138159280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{246713}}^1$

素因数の和:246733

約数の個数: 40

約数和(自身を含む): 367110432

約数和(自身を除く): 228951152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 246713, 493426, 986852, 1233565, 1726991, 1973704, 2467130, 3453982, 3947408, 4934260, 6907964, 8634955, 9868520, 13815928, 17269910, 19737040, 27631856, 34539820, 69079640, 138159280]

約数ペア:

[(1, 138159280), (2, 69079640), (4, 34539820), (5, 27631856), (7, 19737040), (8, 17269910), (10, 13815928), (14, 9868520), (16, 8634955), (20, 6907964), (28, 4934260), (35, 3947408), (40, 3453982), (56, 2467130), (70, 1973704), (80, 1726991), (112, 1233565), (140, 986852), (280, 493426), (560, 246713)]