1900196675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{20231}}^1$

素因数の和:20288

約数の個数: 36

約数和(自身を含む): 2695671216

約数和(自身を除く): 795474541

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 1105, 1445, 3757, 5525, 7225, 18785, 20231, 93925, 101155, 263003, 343927, 505775, 1315015, 1719635, 4471051, 5846759, 6575075, 8598175, 22355255, 29233795, 76007867, 111776275, 146168975, 380039335, 1900196675]

約数ペア:

[(1, 1900196675), (5, 380039335), (13, 146168975), (17, 111776275), (25, 76007867), (65, 29233795), (85, 22355255), (221, 8598175), (289, 6575075), (325, 5846759), (425, 4471051), (1105, 1719635), (1445, 1315015), (3757, 505775), (5525, 343927), (7225, 263003), (18785, 101155), (20231, 93925)]