205120910

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{853}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 374461920

約数和(自身を除く): 169341010

約数列:

[1, 2, 5, 10, 139, 173, 278, 346, 695, 853, 865, 1390, 1706, 1730, 4265, 8530, 24047, 48094, 118567, 120235, 147569, 237134, 240470, 295138, 592835, 737845, 1185670, 1475690, 20512091, 41024182, 102560455, 205120910]

約数ペア:

[(1, 205120910), (2, 102560455), (5, 41024182), (10, 20512091), (139, 1475690), (173, 1185670), (278, 737845), (346, 592835), (695, 295138), (853, 240470), (865, 237134), (1390, 147569), (1706, 120235), (1730, 118567), (4265, 48094), (8530, 24047)]