290093908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 577167360

約数和(自身を除く): 287073452

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 109, 124, 127, 169, 218, 254, 338, 403, 436, 508, 676, 806, 1417, 1612, 1651, 2834, 3302, 3379, 3937, 5239, 5668, 6604, 6758, 7874, 10478, 13516, 13843, 15748, 18421, 20956, 21463, 27686, 36842, 42926, 43927, 51181, 55372, 73684, 85852, 87854, 102362, 175708, 179959, 204724, 359918, 429133, 571051, 665353, 719836, 858266, 1142102, 1330706, 1716532, 2284204, 2339467, 2661412, 4678934, 5578729, 9357868, 11157458, 22314916, 72523477, 145046954, 290093908]

約数ペア:

[(1, 290093908), (2, 145046954), (4, 72523477), (13, 22314916), (26, 11157458), (31, 9357868), (52, 5578729), (62, 4678934), (109, 2661412), (124, 2339467), (127, 2284204), (169, 1716532), (218, 1330706), (254, 1142102), (338, 858266), (403, 719836), (436, 665353), (508, 571051), (676, 429133), (806, 359918), (1417, 204724), (1612, 179959), (1651, 175708), (2834, 102362), (3302, 87854), (3379, 85852), (3937, 73684), (5239, 55372), (5668, 51181), (6604, 43927), (6758, 42926), (7874, 36842), (10478, 27686), (13516, 21463), (13843, 20956), (15748, 18421)]