77408440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 180466560

約数和(自身を除く): 103058120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 271, 296, 370, 386, 542, 740, 772, 965, 1084, 1355, 1480, 1544, 1930, 2168, 2710, 3860, 5420, 7141, 7720, 10027, 10840, 14282, 20054, 28564, 35705, 40108, 50135, 52303, 57128, 71410, 80216, 100270, 104606, 142820, 200540, 209212, 261515, 285640, 401080, 418424, 523030, 1046060, 1935211, 2092120, 3870422, 7740844, 9676055, 15481688, 19352110, 38704220, 77408440]

約数ペア:

[(1, 77408440), (2, 38704220), (4, 19352110), (5, 15481688), (8, 9676055), (10, 7740844), (20, 3870422), (37, 2092120), (40, 1935211), (74, 1046060), (148, 523030), (185, 418424), (193, 401080), (271, 285640), (296, 261515), (370, 209212), (386, 200540), (542, 142820), (740, 104606), (772, 100270), (965, 80216), (1084, 71410), (1355, 57128), (1480, 52303), (1544, 50135), (1930, 40108), (2168, 35705), (2710, 28564), (3860, 20054), (5420, 14282), (7141, 10840), (7720, 10027)]