495854060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{26861}}^1$

素因数の和:26954

約数の個数: 48

約数和(自身を含む): 1137229632

約数和(自身を除く): 641375572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 26861, 53722, 107444, 134305, 268610, 349193, 537220, 698386, 1396772, 1745965, 1907131, 3491930, 3814262, 6983860, 7628524, 9535655, 19071310, 24792703, 38142620, 49585406, 99170812, 123963515, 247927030, 495854060]

約数ペア:

[(1, 495854060), (2, 247927030), (4, 123963515), (5, 99170812), (10, 49585406), (13, 38142620), (20, 24792703), (26, 19071310), (52, 9535655), (65, 7628524), (71, 6983860), (130, 3814262), (142, 3491930), (260, 1907131), (284, 1745965), (355, 1396772), (710, 698386), (923, 537220), (1420, 349193), (1846, 268610), (3692, 134305), (4615, 107444), (9230, 53722), (18460, 26861)]