249965140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{9011}}^1$

素因数の和:9112

約数の個数: 48

約数和(自身を含む): 560185920

約数和(自身を除く): 310220780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 9011, 13870, 18022, 27740, 36044, 45055, 90110, 171209, 180220, 342418, 657803, 684836, 856045, 1315606, 1712090, 2631212, 3289015, 3424180, 6578030, 12498257, 13156060, 24996514, 49993028, 62491285, 124982570, 249965140]

約数ペア:

[(1, 249965140), (2, 124982570), (4, 62491285), (5, 49993028), (10, 24996514), (19, 13156060), (20, 12498257), (38, 6578030), (73, 3424180), (76, 3289015), (95, 2631212), (146, 1712090), (190, 1315606), (292, 856045), (365, 684836), (380, 657803), (730, 342418), (1387, 180220), (1460, 171209), (2774, 90110), (5548, 45055), (6935, 36044), (9011, 27740), (13870, 18022)]