290460870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 889850880

約数和(自身を除く): 599390010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 313, 315, 378, 491, 626, 630, 939, 945, 982, 1473, 1565, 1878, 1890, 2191, 2455, 2817, 2946, 3130, 3437, 4382, 4419, 4695, 4910, 5634, 6573, 6874, 7365, 8451, 8838, 9390, 10311, 10955, 13146, 13257, 14085, 14730, 16902, 17185, 19719, 20622, 21910, 22095, 26514, 28170, 30933, 32865, 34370, 39438, 42255, 44190, 51555, 59157, 61866, 65730, 66285, 84510, 92799, 98595, 103110, 118314, 132570, 153683, 154665, 185598, 197190, 295785, 307366, 309330, 461049, 463995, 591570, 768415, 922098, 927990, 1075781, 1383147, 1536830, 2151562, 2305245, 2766294, 3227343, 4149441, 4610490, 5378905, 6454686, 6915735, 8298882, 9682029, 10757810, 13831470, 16136715, 19364058, 20747205, 29046087, 32273430, 41494410, 48410145, 58092174, 96820290, 145230435, 290460870]

約数ペア:

[(1, 290460870), (2, 145230435), (3, 96820290), (5, 58092174), (6, 48410145), (7, 41494410), (9, 32273430), (10, 29046087), (14, 20747205), (15, 19364058), (18, 16136715), (21, 13831470), (27, 10757810), (30, 9682029), (35, 8298882), (42, 6915735), (45, 6454686), (54, 5378905), (63, 4610490), (70, 4149441), (90, 3227343), (105, 2766294), (126, 2305245), (135, 2151562), (189, 1536830), (210, 1383147), (270, 1075781), (313, 927990), (315, 922098), (378, 768415), (491, 591570), (626, 463995), (630, 461049), (939, 309330), (945, 307366), (982, 295785), (1473, 197190), (1565, 185598), (1878, 154665), (1890, 153683), (2191, 132570), (2455, 118314), (2817, 103110), (2946, 98595), (3130, 92799), (3437, 84510), (4382, 66285), (4419, 65730), (4695, 61866), (4910, 59157), (5634, 51555), (6573, 44190), (6874, 42255), (7365, 39438), (8451, 34370), (8838, 32865), (9390, 30933), (10311, 28170), (10955, 26514), (13146, 22095), (13257, 21910), (14085, 20622), (14730, 19719), (16902, 17185)]