986420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 2247168

約数和(自身を除く): 1260748

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 43, 62, 74, 86, 124, 148, 155, 172, 185, 215, 310, 370, 430, 620, 740, 860, 1147, 1333, 1591, 2294, 2666, 3182, 4588, 5332, 5735, 6364, 6665, 7955, 11470, 13330, 15910, 22940, 26660, 31820, 49321, 98642, 197284, 246605, 493210, 986420]

約数ペア:

[(1, 986420), (2, 493210), (4, 246605), (5, 197284), (10, 98642), (20, 49321), (31, 31820), (37, 26660), (43, 22940), (62, 15910), (74, 13330), (86, 11470), (124, 7955), (148, 6665), (155, 6364), (172, 5735), (185, 5332), (215, 4588), (310, 3182), (370, 2666), (430, 2294), (620, 1591), (740, 1333), (860, 1147)]