489443380

素因数分解:

$2^2\times 5^1\times {\mathrm{2347}}^1\times {\mathrm{10427}}^1$

素因数の和:12783

約数の個数: 24

約数和(自身を含む): 1028367648

約数和(自身を除く): 538924268

約数列:

[1, 2, 4, 5, 10, 20, 2347, 4694, 9388, 10427, 11735, 20854, 23470, 41708, 46940, 52135, 104270, 208540, 24472169, 48944338, 97888676, 122360845, 244721690, 489443380]

約数ペア:

[(1, 489443380), (2, 244721690), (4, 122360845), (5, 97888676), (10, 48944338), (20, 24472169), (2347, 208540), (4694, 104270), (9388, 52135), (10427, 46940), (11735, 41708), (20854, 23470)]