191979920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{811}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 489343680

約数和(自身を除く): 297363760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 440, 538, 811, 880, 1076, 1345, 1622, 2152, 2690, 2959, 3244, 4055, 4304, 5380, 5918, 6488, 8110, 8921, 10760, 11836, 12976, 14795, 16220, 17842, 21520, 23672, 29590, 32440, 35684, 44605, 47344, 59180, 64880, 71368, 89210, 118360, 142736, 178420, 218159, 236720, 356840, 436318, 713680, 872636, 1090795, 1745272, 2181590, 2399749, 3490544, 4363180, 4799498, 8726360, 9598996, 11998745, 17452720, 19197992, 23997490, 38395984, 47994980, 95989960, 191979920]

約数ペア:

[(1, 191979920), (2, 95989960), (4, 47994980), (5, 38395984), (8, 23997490), (10, 19197992), (11, 17452720), (16, 11998745), (20, 9598996), (22, 8726360), (40, 4799498), (44, 4363180), (55, 3490544), (80, 2399749), (88, 2181590), (110, 1745272), (176, 1090795), (220, 872636), (269, 713680), (440, 436318), (538, 356840), (811, 236720), (880, 218159), (1076, 178420), (1345, 142736), (1622, 118360), (2152, 89210), (2690, 71368), (2959, 64880), (3244, 59180), (4055, 47344), (4304, 44605), (5380, 35684), (5918, 32440), (6488, 29590), (8110, 23672), (8921, 21520), (10760, 17842), (11836, 16220), (12976, 14795)]