135809380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{138581}}^1$

素因数の和:138604

約数の個数: 36

約数和(自身を含む): 331765308

約数和(自身を除く): 195955928

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 138581, 277162, 554324, 692905, 970067, 1385810, 1940134, 2771620, 3880268, 4850335, 6790469, 9700670, 13580938, 19401340, 27161876, 33952345, 67904690, 135809380]

約数ペア:

[(1, 135809380), (2, 67904690), (4, 33952345), (5, 27161876), (7, 19401340), (10, 13580938), (14, 9700670), (20, 6790469), (28, 4850335), (35, 3880268), (49, 2771620), (70, 1940134), (98, 1385810), (140, 970067), (196, 692905), (245, 554324), (490, 277162), (980, 138581)]