179920580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1285147}}^1$

素因数の和:1285163

約数の個数: 24

約数和(自身を含む): 431809728

約数和(自身を除く): 251889148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1285147, 2570294, 5140588, 6425735, 8996029, 12851470, 17992058, 25702940, 35984116, 44980145, 89960290, 179920580]

約数ペア:

[(1, 179920580), (2, 89960290), (4, 44980145), (5, 35984116), (7, 25702940), (10, 17992058), (14, 12851470), (20, 8996029), (28, 6425735), (35, 5140588), (70, 2570294), (140, 1285147)]