128547460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{279451}}^1$

素因数の和:279483

約数の個数: 24

約数和(自身を含む): 281687616

約数和(自身を除く): 153140156

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 279451, 558902, 1117804, 1397255, 2794510, 5589020, 6427373, 12854746, 25709492, 32136865, 64273730, 128547460]

約数ペア:

[(1, 128547460), (2, 64273730), (4, 32136865), (5, 25709492), (10, 12854746), (20, 6427373), (23, 5589020), (46, 2794510), (92, 1397255), (115, 1117804), (230, 558902), (460, 279451)]