28481860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3556

約数の個数: 48

約数和(自身を含む): 67032000

約数和(自身を除く): 38550140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3499, 4070, 6998, 8140, 13996, 17495, 34990, 38489, 69980, 76978, 129463, 153956, 192445, 258926, 384890, 517852, 647315, 769780, 1294630, 1424093, 2589260, 2848186, 5696372, 7120465, 14240930, 28481860]

約数ペア:

[(1, 28481860), (2, 14240930), (4, 7120465), (5, 5696372), (10, 2848186), (11, 2589260), (20, 1424093), (22, 1294630), (37, 769780), (44, 647315), (55, 517852), (74, 384890), (110, 258926), (148, 192445), (185, 153956), (220, 129463), (370, 76978), (407, 69980), (740, 38489), (814, 34990), (1628, 17495), (2035, 13996), (3499, 8140), (4070, 6998)]