90174280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322051}}^1$

素因数の和:322069

約数の個数: 32

約数和(自身を含む): 231877440

約数和(自身を除く): 141703160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322051, 644102, 1288204, 1610255, 2254357, 2576408, 3220510, 4508714, 6441020, 9017428, 11271785, 12882040, 18034856, 22543570, 45087140, 90174280]

約数ペア:

[(1, 90174280), (2, 45087140), (4, 22543570), (5, 18034856), (7, 12882040), (8, 11271785), (10, 9017428), (14, 6441020), (20, 4508714), (28, 3220510), (35, 2576408), (40, 2254357), (56, 1610255), (70, 1288204), (140, 644102), (280, 322051)]