742540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 1576512

約数和(自身を除く): 833972

約数列:

[1, 2, 4, 5, 10, 20, 137, 271, 274, 542, 548, 685, 1084, 1355, 1370, 2710, 2740, 5420, 37127, 74254, 148508, 185635, 371270, 742540]

約数ペア:

[(1, 742540), (2, 371270), (4, 185635), (5, 148508), (10, 74254), (20, 37127), (137, 5420), (271, 2740), (274, 2710), (542, 1370), (548, 1355), (685, 1084)]