1681900

素因数分解:

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

素因数の和:175

約数の個数: 54

約数和(自身を含む): 4040540

約数和(自身を除く): 2358640

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 139, 220, 242, 275, 278, 484, 550, 556, 605, 695, 1100, 1210, 1390, 1529, 2420, 2780, 3025, 3058, 3475, 6050, 6116, 6950, 7645, 12100, 13900, 15290, 16819, 30580, 33638, 38225, 67276, 76450, 84095, 152900, 168190, 336380, 420475, 840950, 1681900]

約数ペア:

[(1, 1681900), (2, 840950), (4, 420475), (5, 336380), (10, 168190), (11, 152900), (20, 84095), (22, 76450), (25, 67276), (44, 38225), (50, 33638), (55, 30580), (100, 16819), (110, 15290), (121, 13900), (139, 12100), (220, 7645), (242, 6950), (275, 6116), (278, 6050), (484, 3475), (550, 3058), (556, 3025), (605, 2780), (695, 2420), (1100, 1529), (1210, 1390)]