135649640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{9887}}^1$

素因数の和:9919

約数の個数: 64

約数和(自身を含む): 355968000

約数和(自身を除く): 220318360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 9887, 13720, 19774, 39548, 49435, 69209, 79096, 98870, 138418, 197740, 276836, 346045, 395480, 484463, 553672, 692090, 968926, 1384180, 1937852, 2422315, 2768360, 3391241, 3875704, 4844630, 6782482, 9689260, 13564964, 16956205, 19378520, 27129928, 33912410, 67824820, 135649640]

約数ペア:

[(1, 135649640), (2, 67824820), (4, 33912410), (5, 27129928), (7, 19378520), (8, 16956205), (10, 13564964), (14, 9689260), (20, 6782482), (28, 4844630), (35, 3875704), (40, 3391241), (49, 2768360), (56, 2422315), (70, 1937852), (98, 1384180), (140, 968926), (196, 692090), (245, 553672), (280, 484463), (343, 395480), (392, 346045), (490, 276836), (686, 197740), (980, 138418), (1372, 98870), (1715, 79096), (1960, 69209), (2744, 49435), (3430, 39548), (6860, 19774), (9887, 13720)]