2017148920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{37831}}^1$

素因数の和:37916

約数の個数: 64

約数和(自身を含む): 4794071040

約数和(自身を除く): 2776922120

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, 26660, 37831, 53320, 75662, 151324, 189155, 302648, 378310, 756620, 1172761, 1513240, 1626733, 2345522, 3253466, 4691044, 5863805, 6506932, 8133665, 9382088, 11727610, 13013864, 16267330, 23455220, 32534660, 46910440, 50428723, 65069320, 100857446, 201714892, 252143615, 403429784, 504287230, 1008574460, 2017148920]

約数ペア:

[(1, 2017148920), (2, 1008574460), (4, 504287230), (5, 403429784), (8, 252143615), (10, 201714892), (20, 100857446), (31, 65069320), (40, 50428723), (43, 46910440), (62, 32534660), (86, 23455220), (124, 16267330), (155, 13013864), (172, 11727610), (215, 9382088), (248, 8133665), (310, 6506932), (344, 5863805), (430, 4691044), (620, 3253466), (860, 2345522), (1240, 1626733), (1333, 1513240), (1720, 1172761), (2666, 756620), (5332, 378310), (6665, 302648), (10664, 189155), (13330, 151324), (26660, 75662), (37831, 53320)]