199920370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{66863}}^1$

素因数の和:66906

約数の個数: 32

約数和(自身を含む): 404393472

約数和(自身を除く): 204473102

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 66863, 133726, 334315, 668630, 869219, 1537849, 1738438, 3075698, 4346095, 7689245, 8692190, 15378490, 19992037, 39984074, 99960185, 199920370]

約数ペア:

[(1, 199920370), (2, 99960185), (5, 39984074), (10, 19992037), (13, 15378490), (23, 8692190), (26, 7689245), (46, 4346095), (65, 3075698), (115, 1738438), (130, 1537849), (230, 869219), (299, 668630), (598, 334315), (1495, 133726), (2990, 66863)]