2821650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1447}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 7541184

約数和(自身を除く): 4719534

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1447, 1950, 2894, 4341, 7235, 8682, 14470, 18811, 21705, 36175, 37622, 43410, 56433, 72350, 94055, 108525, 112866, 188110, 217050, 282165, 470275, 564330, 940550, 1410825, 2821650]

約数ペア:

[(1, 2821650), (2, 1410825), (3, 940550), (5, 564330), (6, 470275), (10, 282165), (13, 217050), (15, 188110), (25, 112866), (26, 108525), (30, 94055), (39, 72350), (50, 56433), (65, 43410), (75, 37622), (78, 36175), (130, 21705), (150, 18811), (195, 14470), (325, 8682), (390, 7235), (650, 4341), (975, 2894), (1447, 1950)]