201959380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206081}}^1$

素因数の和:206104

約数の個数: 36

約数和(自身を含む): 493360308

約数和(自身を除く): 291400928

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206081, 412162, 824324, 1030405, 1442567, 2060810, 2885134, 4121620, 5770268, 7212835, 10097969, 14425670, 20195938, 28851340, 40391876, 50489845, 100979690, 201959380]

約数ペア:

[(1, 201959380), (2, 100979690), (4, 50489845), (5, 40391876), (7, 28851340), (10, 20195938), (14, 14425670), (20, 10097969), (28, 7212835), (35, 5770268), (49, 4121620), (70, 2885134), (98, 2060810), (140, 1442567), (196, 1030405), (245, 824324), (490, 412162), (980, 206081)]