123400025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41479}}^1$

素因数の和:41513

約数の個数: 24

約数和(自身を含む): 185166720

約数和(自身を除く): 61766695

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 41479, 207395, 290353, 705143, 1036975, 1451765, 3525715, 4936001, 7258825, 17628575, 24680005, 123400025]

約数ペア:

[(1, 123400025), (5, 24680005), (7, 17628575), (17, 7258825), (25, 4936001), (35, 3525715), (85, 1451765), (119, 1036975), (175, 705143), (425, 290353), (595, 207395), (2975, 41479)]