90207320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322169}}^1$

素因数の和:322187

約数の個数: 32

約数和(自身を含む): 231962400

約数和(自身を除く): 141755080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322169, 644338, 1288676, 1610845, 2255183, 2577352, 3221690, 4510366, 6443380, 9020732, 11275915, 12886760, 18041464, 22551830, 45103660, 90207320]

約数ペア:

[(1, 90207320), (2, 45103660), (4, 22551830), (5, 18041464), (7, 12886760), (8, 11275915), (10, 9020732), (14, 6443380), (20, 4510366), (28, 3221690), (35, 2577352), (40, 2255183), (56, 1610845), (70, 1288676), (140, 644338), (280, 322169)]