68957900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 108

約数和(自身を含む): 169702680

約数和(自身を除く): 100744780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 121, 139, 164, 205, 220, 242, 275, 278, 410, 451, 484, 550, 556, 605, 695, 820, 902, 1025, 1100, 1210, 1390, 1529, 1804, 2050, 2255, 2420, 2780, 3025, 3058, 3475, 4100, 4510, 4961, 5699, 6050, 6116, 6950, 7645, 9020, 9922, 11275, 11398, 12100, 13900, 15290, 16819, 19844, 22550, 22796, 24805, 28495, 30580, 33638, 38225, 45100, 49610, 56990, 62689, 67276, 76450, 84095, 99220, 113980, 124025, 125378, 142475, 152900, 168190, 248050, 250756, 284950, 313445, 336380, 420475, 496100, 569900, 626890, 689579, 840950, 1253780, 1379158, 1567225, 1681900, 2758316, 3134450, 3447895, 6268900, 6895790, 13791580, 17239475, 34478950, 68957900]

約数ペア:

[(1, 68957900), (2, 34478950), (4, 17239475), (5, 13791580), (10, 6895790), (11, 6268900), (20, 3447895), (22, 3134450), (25, 2758316), (41, 1681900), (44, 1567225), (50, 1379158), (55, 1253780), (82, 840950), (100, 689579), (110, 626890), (121, 569900), (139, 496100), (164, 420475), (205, 336380), (220, 313445), (242, 284950), (275, 250756), (278, 248050), (410, 168190), (451, 152900), (484, 142475), (550, 125378), (556, 124025), (605, 113980), (695, 99220), (820, 84095), (902, 76450), (1025, 67276), (1100, 62689), (1210, 56990), (1390, 49610), (1529, 45100), (1804, 38225), (2050, 33638), (2255, 30580), (2420, 28495), (2780, 24805), (3025, 22796), (3058, 22550), (3475, 19844), (4100, 16819), (4510, 15290), (4961, 13900), (5699, 12100), (6050, 11398), (6116, 11275), (6950, 9922), (7645, 9020)]