89934980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{761}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 199704960

約数和(自身を除く): 109769980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 380, 622, 761, 1244, 1522, 1555, 3044, 3110, 3805, 5909, 6220, 7610, 11818, 14459, 15220, 23636, 28918, 29545, 57836, 59090, 72295, 118180, 144590, 236671, 289180, 473342, 946684, 1183355, 2366710, 4496749, 4733420, 8993498, 17986996, 22483745, 44967490, 89934980]

約数ペア:

[(1, 89934980), (2, 44967490), (4, 22483745), (5, 17986996), (10, 8993498), (19, 4733420), (20, 4496749), (38, 2366710), (76, 1183355), (95, 946684), (190, 473342), (311, 289180), (380, 236671), (622, 144590), (761, 118180), (1244, 72295), (1522, 59090), (1555, 57836), (3044, 29545), (3110, 28918), (3805, 23636), (5909, 15220), (6220, 14459), (7610, 11818)]