137994920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{492839}}^1$

素因数の和:492857

約数の個数: 32

約数和(自身を含む): 354844800

約数和(自身を除く): 216849880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 492839, 985678, 1971356, 2464195, 3449873, 3942712, 4928390, 6899746, 9856780, 13799492, 17249365, 19713560, 27598984, 34498730, 68997460, 137994920]

約数ペア:

[(1, 137994920), (2, 68997460), (4, 34498730), (5, 27598984), (7, 19713560), (8, 17249365), (10, 13799492), (14, 9856780), (20, 6899746), (28, 4928390), (35, 3942712), (40, 3449873), (56, 2464195), (70, 1971356), (140, 985678), (280, 492839)]