157048780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3607}}^1$

素因数の和:3934

約数の個数: 48

約数和(自身を含む): 378233856

約数和(自身を除く): 221185076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 3607, 4354, 6220, 7214, 8708, 10885, 14428, 18035, 21770, 25249, 36070, 43540, 50498, 72140, 100996, 126245, 252490, 504980, 1121777, 2243554, 4487108, 5608885, 7852439, 11217770, 15704878, 22435540, 31409756, 39262195, 78524390, 157048780]

約数ペア:

[(1, 157048780), (2, 78524390), (4, 39262195), (5, 31409756), (7, 22435540), (10, 15704878), (14, 11217770), (20, 7852439), (28, 5608885), (35, 4487108), (70, 2243554), (140, 1121777), (311, 504980), (622, 252490), (1244, 126245), (1555, 100996), (2177, 72140), (3110, 50498), (3607, 43540), (4354, 36070), (6220, 25249), (7214, 21770), (8708, 18035), (10885, 14428)]