220380070

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{85751}}^1$

素因数の和:86015

約数の個数: 16

約数和(自身を含む): 398232288

約数和(自身を除く): 177852218

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 85751, 171502, 428755, 857510, 22038007, 44076014, 110190035, 220380070]

約数ペア:

[(1, 220380070), (2, 110190035), (5, 44076014), (10, 22038007), (257, 857510), (514, 428755), (1285, 171502), (2570, 85751)]