2019856725

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{467}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 3711726720

約数和(自身を除く): 1691869995

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 409, 423, 467, 705, 1175, 1227, 1401, 2045, 2115, 2335, 3525, 3681, 4203, 6135, 7005, 10225, 10575, 11675, 18405, 19223, 21015, 21949, 30675, 35025, 57669, 65847, 92025, 96115, 105075, 109745, 173007, 191003, 197541, 288345, 329235, 480575, 548725, 573009, 865035, 955015, 987705, 1441725, 1646175, 1719027, 2865045, 4325175, 4775075, 4938525, 8595135, 8977141, 14325225, 26931423, 42975675, 44885705, 80794269, 134657115, 224428525, 403971345, 673285575, 2019856725]

約数ペア:

[(1, 2019856725), (3, 673285575), (5, 403971345), (9, 224428525), (15, 134657115), (25, 80794269), (45, 44885705), (47, 42975675), (75, 26931423), (141, 14325225), (225, 8977141), (235, 8595135), (409, 4938525), (423, 4775075), (467, 4325175), (705, 2865045), (1175, 1719027), (1227, 1646175), (1401, 1441725), (2045, 987705), (2115, 955015), (2335, 865035), (3525, 573009), (3681, 548725), (4203, 480575), (6135, 329235), (7005, 288345), (10225, 197541), (10575, 191003), (11675, 173007), (18405, 109745), (19223, 105075), (21015, 96115), (21949, 92025), (30675, 65847), (35025, 57669)]