77369780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 166153680

約数和(自身を除く): 88783900

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 269, 292, 365, 394, 538, 730, 788, 985, 1076, 1345, 1460, 1970, 2690, 3940, 5380, 14381, 19637, 28762, 39274, 52993, 57524, 71905, 78548, 98185, 105986, 143810, 196370, 211972, 264965, 287620, 392740, 529930, 1059860, 3868489, 7736978, 15473956, 19342445, 38684890, 77369780]

約数ペア:

[(1, 77369780), (2, 38684890), (4, 19342445), (5, 15473956), (10, 7736978), (20, 3868489), (73, 1059860), (146, 529930), (197, 392740), (269, 287620), (292, 264965), (365, 211972), (394, 196370), (538, 143810), (730, 105986), (788, 98185), (985, 78548), (1076, 71905), (1345, 57524), (1460, 52993), (1970, 39274), (2690, 28762), (3940, 19637), (5380, 14381)]