22220975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 34164480

約数和(自身を除く): 11943505

約数列:

[1, 5, 7, 19, 25, 35, 41, 95, 133, 163, 175, 205, 287, 475, 665, 779, 815, 1025, 1141, 1435, 3097, 3325, 3895, 4075, 5453, 5705, 6683, 7175, 15485, 19475, 21679, 27265, 28525, 33415, 46781, 77425, 108395, 126977, 136325, 167075, 233905, 541975, 634885, 888839, 1169525, 3174425, 4444195, 22220975]

約数ペア:

[(1, 22220975), (5, 4444195), (7, 3174425), (19, 1169525), (25, 888839), (35, 634885), (41, 541975), (95, 233905), (133, 167075), (163, 136325), (175, 126977), (205, 108395), (287, 77425), (475, 46781), (665, 33415), (779, 28525), (815, 27265), (1025, 21679), (1141, 19475), (1435, 15485), (3097, 7175), (3325, 6683), (3895, 5705), (4075, 5453)]