1457980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 3084480

約数和(自身を除く): 1626500

約数列:

[1, 2, 4, 5, 10, 20, 269, 271, 538, 542, 1076, 1084, 1345, 1355, 2690, 2710, 5380, 5420, 72899, 145798, 291596, 364495, 728990, 1457980]

約数ペア:

[(1, 1457980), (2, 728990), (4, 364495), (5, 291596), (10, 145798), (20, 72899), (269, 5420), (271, 5380), (538, 2710), (542, 2690), (1076, 1355), (1084, 1345)]