8409500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 20333040

約数和(自身を除く): 11923540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 139, 220, 242, 250, 275, 278, 484, 500, 550, 556, 605, 695, 1100, 1210, 1375, 1390, 1529, 2420, 2750, 2780, 3025, 3058, 3475, 5500, 6050, 6116, 6950, 7645, 12100, 13900, 15125, 15290, 16819, 17375, 30250, 30580, 33638, 34750, 38225, 60500, 67276, 69500, 76450, 84095, 152900, 168190, 191125, 336380, 382250, 420475, 764500, 840950, 1681900, 2102375, 4204750, 8409500]

約数ペア:

[(1, 8409500), (2, 4204750), (4, 2102375), (5, 1681900), (10, 840950), (11, 764500), (20, 420475), (22, 382250), (25, 336380), (44, 191125), (50, 168190), (55, 152900), (100, 84095), (110, 76450), (121, 69500), (125, 67276), (139, 60500), (220, 38225), (242, 34750), (250, 33638), (275, 30580), (278, 30250), (484, 17375), (500, 16819), (550, 15290), (556, 15125), (605, 13900), (695, 12100), (1100, 7645), (1210, 6950), (1375, 6116), (1390, 6050), (1529, 5500), (2420, 3475), (2750, 3058), (2780, 3025)]