66919900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{35221}}^1$

素因数の和:35254

約数の個数: 36

約数和(自身を含む): 152863480

約数和(自身を除く): 85943580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 35221, 70442, 140884, 176105, 352210, 669199, 704420, 880525, 1338398, 1761050, 2676796, 3345995, 3522100, 6691990, 13383980, 16729975, 33459950, 66919900]

約数ペア:

[(1, 66919900), (2, 33459950), (4, 16729975), (5, 13383980), (10, 6691990), (19, 3522100), (20, 3345995), (25, 2676796), (38, 1761050), (50, 1338398), (76, 880525), (95, 704420), (100, 669199), (190, 352210), (380, 176105), (475, 140884), (950, 70442), (1900, 35221)]