27842980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6661}}^1$

素因数の和:6700

約数の個数: 48

約数和(自身を含む): 67152960

約数和(自身を除く): 39309980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6661, 13322, 26644, 33305, 66610, 73271, 126559, 133220, 146542, 253118, 293084, 366355, 506236, 632795, 732710, 1265590, 1392149, 1465420, 2531180, 2784298, 5568596, 6960745, 13921490, 27842980]

約数ペア:

[(1, 27842980), (2, 13921490), (4, 6960745), (5, 5568596), (10, 2784298), (11, 2531180), (19, 1465420), (20, 1392149), (22, 1265590), (38, 732710), (44, 632795), (55, 506236), (76, 366355), (95, 293084), (110, 253118), (190, 146542), (209, 133220), (220, 126559), (380, 73271), (418, 66610), (836, 33305), (1045, 26644), (2090, 13322), (4180, 6661)]