140908025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{439}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 180375360

約数和(自身を除く): 39467335

約数列:

[1, 5, 25, 37, 185, 347, 439, 925, 1735, 2195, 8675, 10975, 12839, 16243, 64195, 81215, 152333, 320975, 406075, 761665, 3808325, 5636321, 28181605, 140908025]

約数ペア:

[(1, 140908025), (5, 28181605), (25, 5636321), (37, 3808325), (185, 761665), (347, 406075), (439, 320975), (925, 152333), (1735, 81215), (2195, 64195), (8675, 16243), (10975, 12839)]