1285048940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{6959}}^1$

素因数の和:8294

約数の個数: 48

約数和(自身を含む): 3086899200

約数和(自身を除く): 1801850260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1319, 2638, 5276, 6595, 6959, 9233, 13190, 13918, 18466, 26380, 27836, 34795, 36932, 46165, 48713, 69590, 92330, 97426, 139180, 184660, 194852, 243565, 487130, 974260, 9178921, 18357842, 36715684, 45894605, 64252447, 91789210, 128504894, 183578420, 257009788, 321262235, 642524470, 1285048940]

約数ペア:

[(1, 1285048940), (2, 642524470), (4, 321262235), (5, 257009788), (7, 183578420), (10, 128504894), (14, 91789210), (20, 64252447), (28, 45894605), (35, 36715684), (70, 18357842), (140, 9178921), (1319, 974260), (2638, 487130), (5276, 243565), (6595, 194852), (6959, 184660), (9233, 139180), (13190, 97426), (13918, 92330), (18466, 69590), (26380, 48713), (27836, 46165), (34795, 36932)]