394453825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 514412388

約数和(自身を除く): 119958563

約数列:

[1, 5, 25, 41, 53, 137, 205, 265, 685, 1025, 1325, 2173, 2809, 3425, 5617, 7261, 10865, 14045, 28085, 36305, 54325, 70225, 115169, 140425, 181525, 297701, 384833, 575845, 1488505, 1924165, 2879225, 7442525, 9620825, 15778153, 78890765, 394453825]

約数ペア:

[(1, 394453825), (5, 78890765), (25, 15778153), (41, 9620825), (53, 7442525), (137, 2879225), (205, 1924165), (265, 1488505), (685, 575845), (1025, 384833), (1325, 297701), (2173, 181525), (2809, 140425), (3425, 115169), (5617, 70225), (7261, 54325), (10865, 36305), (14045, 28085)]