190982890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{389761}}^1$

素因数の和:389782

約数の個数: 24

約数和(自身を含む): 399895812

約数和(自身を除く): 208912922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 389761, 779522, 1948805, 2728327, 3897610, 5456654, 13641635, 19098289, 27283270, 38196578, 95491445, 190982890]

約数ペア:

[(1, 190982890), (2, 95491445), (5, 38196578), (7, 27283270), (10, 19098289), (14, 13641635), (35, 5456654), (49, 3897610), (70, 2728327), (98, 1948805), (245, 779522), (490, 389761)]