123025840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{219689}}^1$

素因数の和:219709

約数の個数: 40

約数和(自身を含む): 326898720

約数和(自身を除く): 203872880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 219689, 439378, 878756, 1098445, 1537823, 1757512, 2196890, 3075646, 3515024, 4393780, 6151292, 7689115, 8787560, 12302584, 15378230, 17575120, 24605168, 30756460, 61512920, 123025840]

約数ペア:

[(1, 123025840), (2, 61512920), (4, 30756460), (5, 24605168), (7, 17575120), (8, 15378230), (10, 12302584), (14, 8787560), (16, 7689115), (20, 6151292), (28, 4393780), (35, 3515024), (40, 3075646), (56, 2196890), (70, 1757512), (80, 1537823), (112, 1098445), (140, 878756), (280, 439378), (560, 219689)]