28821650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 36799150

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 29, 50, 55, 58, 65, 110, 130, 139, 143, 145, 275, 278, 286, 290, 319, 325, 377, 550, 638, 650, 695, 715, 725, 754, 1390, 1430, 1450, 1529, 1595, 1807, 1885, 3058, 3190, 3475, 3575, 3614, 3770, 4031, 4147, 6950, 7150, 7645, 7975, 8062, 8294, 9035, 9425, 15290, 15950, 18070, 18850, 19877, 20155, 20735, 38225, 39754, 40310, 41470, 44341, 45175, 52403, 76450, 88682, 90350, 99385, 100775, 103675, 104806, 198770, 201550, 207350, 221705, 262015, 443410, 496925, 524030, 576433, 993850, 1108525, 1152866, 1310075, 2217050, 2620150, 2882165, 5764330, 14410825, 28821650]

約数ペア:

[(1, 28821650), (2, 14410825), (5, 5764330), (10, 2882165), (11, 2620150), (13, 2217050), (22, 1310075), (25, 1152866), (26, 1108525), (29, 993850), (50, 576433), (55, 524030), (58, 496925), (65, 443410), (110, 262015), (130, 221705), (139, 207350), (143, 201550), (145, 198770), (275, 104806), (278, 103675), (286, 100775), (290, 99385), (319, 90350), (325, 88682), (377, 76450), (550, 52403), (638, 45175), (650, 44341), (695, 41470), (715, 40310), (725, 39754), (754, 38225), (1390, 20735), (1430, 20155), (1450, 19877), (1529, 18850), (1595, 18070), (1807, 15950), (1885, 15290), (3058, 9425), (3190, 9035), (3475, 8294), (3575, 8062), (3614, 7975), (3770, 7645), (4031, 7150), (4147, 6950)]