2190291460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15644939}}^1$

素因数の和:15644955

約数の個数: 24

約数和(自身を含む): 5256699840

約数和(自身を除く): 3066408380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15644939, 31289878, 62579756, 78224695, 109514573, 156449390, 219029146, 312898780, 438058292, 547572865, 1095145730, 2190291460]

約数ペア:

[(1, 2190291460), (2, 1095145730), (4, 547572865), (5, 438058292), (7, 312898780), (10, 219029146), (14, 156449390), (20, 109514573), (28, 78224695), (35, 62579756), (70, 31289878), (140, 15644939)]