779910950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:607

約数の個数: 144

約数和(自身を含む): 1859505984

約数和(自身を除く): 1079595034

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 47, 49, 50, 65, 70, 91, 94, 98, 130, 175, 182, 235, 245, 325, 329, 350, 455, 470, 490, 521, 611, 637, 650, 658, 910, 1042, 1175, 1222, 1225, 1274, 1645, 2275, 2303, 2350, 2450, 2605, 3055, 3185, 3290, 3647, 4277, 4550, 4606, 5210, 6110, 6370, 6773, 7294, 8225, 8554, 11515, 13025, 13546, 15275, 15925, 16450, 18235, 21385, 23030, 24487, 25529, 26050, 29939, 30550, 31850, 33865, 36470, 42770, 47411, 48974, 51058, 57575, 59878, 67730, 91175, 94822, 106925, 115150, 122435, 127645, 149695, 169325, 171409, 182350, 213850, 237055, 244870, 255290, 299390, 318331, 331877, 338650, 342818, 474110, 612175, 636662, 638225, 663754, 748475, 857045, 1185275, 1199863, 1224350, 1276450, 1496950, 1591655, 1659385, 1714090, 2228317, 2370550, 2399726, 3183310, 3318770, 4285225, 4456634, 5999315, 7958275, 8296925, 8570450, 11141585, 11998630, 15598219, 15916550, 16593850, 22283170, 29996575, 31196438, 55707925, 59993150, 77991095, 111415850, 155982190, 389955475, 779910950]

約数ペア:

[(1, 779910950), (2, 389955475), (5, 155982190), (7, 111415850), (10, 77991095), (13, 59993150), (14, 55707925), (25, 31196438), (26, 29996575), (35, 22283170), (47, 16593850), (49, 15916550), (50, 15598219), (65, 11998630), (70, 11141585), (91, 8570450), (94, 8296925), (98, 7958275), (130, 5999315), (175, 4456634), (182, 4285225), (235, 3318770), (245, 3183310), (325, 2399726), (329, 2370550), (350, 2228317), (455, 1714090), (470, 1659385), (490, 1591655), (521, 1496950), (611, 1276450), (637, 1224350), (650, 1199863), (658, 1185275), (910, 857045), (1042, 748475), (1175, 663754), (1222, 638225), (1225, 636662), (1274, 612175), (1645, 474110), (2275, 342818), (2303, 338650), (2350, 331877), (2450, 318331), (2605, 299390), (3055, 255290), (3185, 244870), (3290, 237055), (3647, 213850), (4277, 182350), (4550, 171409), (4606, 169325), (5210, 149695), (6110, 127645), (6370, 122435), (6773, 115150), (7294, 106925), (8225, 94822), (8554, 91175), (11515, 67730), (13025, 59878), (13546, 57575), (15275, 51058), (15925, 48974), (16450, 47411), (18235, 42770), (21385, 36470), (23030, 33865), (24487, 31850), (25529, 30550), (26050, 29939)]