2491110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 6570720

約数和(自身を除く): 4079610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 311, 445, 534, 622, 801, 890, 933, 1335, 1555, 1602, 1866, 2670, 2799, 3110, 4005, 4665, 5598, 8010, 9330, 13995, 27679, 27990, 55358, 83037, 138395, 166074, 249111, 276790, 415185, 498222, 830370, 1245555, 2491110]

約数ペア:

[(1, 2491110), (2, 1245555), (3, 830370), (5, 498222), (6, 415185), (9, 276790), (10, 249111), (15, 166074), (18, 138395), (30, 83037), (45, 55358), (89, 27990), (90, 27679), (178, 13995), (267, 9330), (311, 8010), (445, 5598), (534, 4665), (622, 4005), (801, 3110), (890, 2799), (933, 2670), (1335, 1866), (1555, 1602)]