455721740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1693}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 982980768

約数和(自身を除く): 527259028

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 313, 430, 626, 860, 1252, 1565, 1693, 3130, 3386, 6260, 6772, 8465, 13459, 16930, 26918, 33860, 53836, 67295, 72799, 134590, 145598, 269180, 291196, 363995, 529909, 727990, 1059818, 1455980, 2119636, 2649545, 5299090, 10598180, 22786087, 45572174, 91144348, 113930435, 227860870, 455721740]

約数ペア:

[(1, 455721740), (2, 227860870), (4, 113930435), (5, 91144348), (10, 45572174), (20, 22786087), (43, 10598180), (86, 5299090), (172, 2649545), (215, 2119636), (313, 1455980), (430, 1059818), (626, 727990), (860, 529909), (1252, 363995), (1565, 291196), (1693, 269180), (3130, 145598), (3386, 134590), (6260, 72799), (6772, 67295), (8465, 53836), (13459, 33860), (16930, 26918)]