71403290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{145721}}^1$

素因数の和:145742

約数の個数: 24

約数和(自身を含む): 149510772

約数和(自身を除く): 78107482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 145721, 291442, 728605, 1020047, 1457210, 2040094, 5100235, 7140329, 10200470, 14280658, 35701645, 71403290]

約数ペア:

[(1, 71403290), (2, 35701645), (5, 14280658), (7, 10200470), (10, 7140329), (14, 5100235), (35, 2040094), (49, 1457210), (70, 1020047), (98, 728605), (245, 291442), (490, 145721)]