408380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2917}}^1$

素因数の和:2933

約数の個数: 24

約数和(自身を含む): 980448

約数和(自身を除く): 572068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2917, 5834, 11668, 14585, 20419, 29170, 40838, 58340, 81676, 102095, 204190, 408380]

約数ペア:

[(1, 408380), (2, 204190), (4, 102095), (5, 81676), (7, 58340), (10, 40838), (14, 29170), (20, 20419), (28, 14585), (35, 11668), (70, 5834), (140, 2917)]