1219513420

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{83873}}^1$

素因数の和:84609

約数の個数: 24

約数和(自身を含む): 2564531424

約数和(自身を除く): 1345018004

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 14540, 83873, 167746, 335492, 419365, 838730, 1677460, 60975671, 121951342, 243902684, 304878355, 609756710, 1219513420]

約数ペア:

[(1, 1219513420), (2, 609756710), (4, 304878355), (5, 243902684), (10, 121951342), (20, 60975671), (727, 1677460), (1454, 838730), (2908, 419365), (3635, 335492), (7270, 167746), (14540, 83873)]