1285060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 3153024

約数和(自身を除く): 1867964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 137, 140, 268, 274, 335, 469, 548, 670, 685, 938, 959, 1340, 1370, 1876, 1918, 2345, 2740, 3836, 4690, 4795, 9179, 9380, 9590, 18358, 19180, 36716, 45895, 64253, 91790, 128506, 183580, 257012, 321265, 642530, 1285060]

約数ペア:

[(1, 1285060), (2, 642530), (4, 321265), (5, 257012), (7, 183580), (10, 128506), (14, 91790), (20, 64253), (28, 45895), (35, 36716), (67, 19180), (70, 18358), (134, 9590), (137, 9380), (140, 9179), (268, 4795), (274, 4690), (335, 3836), (469, 2740), (548, 2345), (670, 1918), (685, 1876), (938, 1370), (959, 1340)]