149577520

素因数分解:

$2^4\times 5^1\times {\mathrm{1869719}}^1$

素因数の和:1869732

約数の個数: 20

約数和(自身を含む): 347767920

約数和(自身を除く): 198190400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1869719, 3739438, 7478876, 9348595, 14957752, 18697190, 29915504, 37394380, 74788760, 149577520]

約数ペア:

[(1, 149577520), (2, 74788760), (4, 37394380), (5, 29915504), (8, 18697190), (10, 14957752), (16, 9348595), (20, 7478876), (40, 3739438), (80, 1869719)]