156655820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{110321}}^1$

素因数の和:110401

約数の個数: 24

約数和(自身を含む): 333613728

約数和(自身を除く): 176957908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 110321, 220642, 441284, 551605, 1103210, 2206420, 7832791, 15665582, 31331164, 39163955, 78327910, 156655820]

約数ペア:

[(1, 156655820), (2, 78327910), (4, 39163955), (5, 31331164), (10, 15665582), (20, 7832791), (71, 2206420), (142, 1103210), (284, 551605), (355, 441284), (710, 220642), (1420, 110321)]