278322670

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{1153}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 508498560

約数和(自身を除く): 230175890

約数列:

[1, 2, 5, 10, 101, 202, 239, 478, 505, 1010, 1153, 1195, 2306, 2390, 5765, 11530, 24139, 48278, 116453, 120695, 232906, 241390, 275567, 551134, 582265, 1164530, 1377835, 2755670, 27832267, 55664534, 139161335, 278322670]

約数ペア:

[(1, 278322670), (2, 139161335), (5, 55664534), (10, 27832267), (101, 2755670), (202, 1377835), (239, 1164530), (478, 582265), (505, 551134), (1010, 275567), (1153, 241390), (1195, 232906), (2306, 120695), (2390, 116453), (5765, 48278), (11530, 24139)]