168400724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1020

約数の個数: 36

約数和(自身を含む): 313639200

約数和(自身を除く): 145238476

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 361, 556, 722, 839, 1444, 1678, 2641, 3356, 5282, 10564, 15941, 31882, 50179, 63764, 100358, 116621, 200716, 233242, 302879, 466484, 605758, 1211516, 2215799, 4431598, 8863196, 42100181, 84200362, 168400724]

約数ペア:

[(1, 168400724), (2, 84200362), (4, 42100181), (19, 8863196), (38, 4431598), (76, 2215799), (139, 1211516), (278, 605758), (361, 466484), (556, 302879), (722, 233242), (839, 200716), (1444, 116621), (1678, 100358), (2641, 63764), (3356, 50179), (5282, 31882), (10564, 15941)]