205121530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1\times {\mathrm{1231}}^1$

素因数の和:2134

約数の個数: 32

約数和(自身を含む): 389410560

約数和(自身を除く): 184289030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 877, 1231, 1754, 2462, 4385, 6155, 8770, 12310, 16663, 23389, 33326, 46778, 83315, 116945, 166630, 233890, 1079587, 2159174, 5397935, 10795870, 20512153, 41024306, 102560765, 205121530]

約数ペア:

[(1, 205121530), (2, 102560765), (5, 41024306), (10, 20512153), (19, 10795870), (38, 5397935), (95, 2159174), (190, 1079587), (877, 233890), (1231, 166630), (1754, 116945), (2462, 83315), (4385, 46778), (6155, 33326), (8770, 23389), (12310, 16663)]