205314860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331153}}^1$

素因数の和:331193

約数の個数: 24

約数和(自身を含む): 445070976

約数和(自身を除く): 239756116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 331153, 662306, 1324612, 1655765, 3311530, 6623060, 10265743, 20531486, 41062972, 51328715, 102657430, 205314860]

約数ペア:

[(1, 205314860), (2, 102657430), (4, 51328715), (5, 41062972), (10, 20531486), (20, 10265743), (31, 6623060), (62, 3311530), (124, 1655765), (155, 1324612), (310, 662306), (620, 331153)]