140542015

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{2657}}^1$

素因数の和:2882

約数の個数: 16

約数和(自身を含む): 172238400

約数和(自身を除く): 31696385

約数列:

[1, 5, 71, 149, 355, 745, 2657, 10579, 13285, 52895, 188647, 395893, 943235, 1979465, 28108403, 140542015]

約数ペア:

[(1, 140542015), (5, 28108403), (71, 1979465), (149, 943235), (355, 395893), (745, 188647), (2657, 52895), (10579, 13285)]