7304840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 17487360

約数和(自身を除く): 10182520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 137, 155, 172, 215, 248, 274, 310, 344, 430, 548, 620, 685, 860, 1096, 1240, 1333, 1370, 1720, 2666, 2740, 4247, 5332, 5480, 5891, 6665, 8494, 10664, 11782, 13330, 16988, 21235, 23564, 26660, 29455, 33976, 42470, 47128, 53320, 58910, 84940, 117820, 169880, 182621, 235640, 365242, 730484, 913105, 1460968, 1826210, 3652420, 7304840]

約数ペア:

[(1, 7304840), (2, 3652420), (4, 1826210), (5, 1460968), (8, 913105), (10, 730484), (20, 365242), (31, 235640), (40, 182621), (43, 169880), (62, 117820), (86, 84940), (124, 58910), (137, 53320), (155, 47128), (172, 42470), (215, 33976), (248, 29455), (274, 26660), (310, 23564), (344, 21235), (430, 16988), (548, 13330), (620, 11782), (685, 10664), (860, 8494), (1096, 6665), (1240, 5891), (1333, 5480), (1370, 5332), (1720, 4247), (2666, 2740)]