72270140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157109}}^1$

素因数の和:157141

約数の個数: 24

約数和(自身を含む): 158366880

約数和(自身を除く): 86096740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 157109, 314218, 628436, 785545, 1571090, 3142180, 3613507, 7227014, 14454028, 18067535, 36135070, 72270140]

約数ペア:

[(1, 72270140), (2, 36135070), (4, 18067535), (5, 14454028), (10, 7227014), (20, 3613507), (23, 3142180), (46, 1571090), (92, 785545), (115, 628436), (230, 314218), (460, 157109)]