711128840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{13337}}^1$

素因数の和:13422

約数の個数: 64

約数和(自身を含む): 1690191360

約数和(自身を除く): 979062520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 5332, 6665, 10664, 13330, 13337, 26660, 26674, 53320, 53348, 66685, 106696, 133370, 266740, 413447, 533480, 573491, 826894, 1146982, 1653788, 2067235, 2293964, 2867455, 3307576, 4134470, 4587928, 5734910, 8268940, 11469820, 16537880, 17778221, 22939640, 35556442, 71112884, 88891105, 142225768, 177782210, 355564420, 711128840]

約数ペア:

[(1, 711128840), (2, 355564420), (4, 177782210), (5, 142225768), (8, 88891105), (10, 71112884), (20, 35556442), (31, 22939640), (40, 17778221), (43, 16537880), (62, 11469820), (86, 8268940), (124, 5734910), (155, 4587928), (172, 4134470), (215, 3307576), (248, 2867455), (310, 2293964), (344, 2067235), (430, 1653788), (620, 1146982), (860, 826894), (1240, 573491), (1333, 533480), (1720, 413447), (2666, 266740), (5332, 133370), (6665, 106696), (10664, 66685), (13330, 53348), (13337, 53320), (26660, 26674)]