740664520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{2593}}^1$

素因数の和:2834

約数の個数: 64

約数和(自身を含む): 1721067120

約数和(自身を除く): 980402600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 296, 370, 386, 740, 772, 965, 1480, 1544, 1930, 2593, 3860, 5186, 7141, 7720, 10372, 12965, 14282, 20744, 25930, 28564, 35705, 51860, 57128, 71410, 95941, 103720, 142820, 191882, 285640, 383764, 479705, 500449, 767528, 959410, 1000898, 1918820, 2001796, 2502245, 3837640, 4003592, 5004490, 10008980, 18516613, 20017960, 37033226, 74066452, 92583065, 148132904, 185166130, 370332260, 740664520]

約数ペア:

[(1, 740664520), (2, 370332260), (4, 185166130), (5, 148132904), (8, 92583065), (10, 74066452), (20, 37033226), (37, 20017960), (40, 18516613), (74, 10008980), (148, 5004490), (185, 4003592), (193, 3837640), (296, 2502245), (370, 2001796), (386, 1918820), (740, 1000898), (772, 959410), (965, 767528), (1480, 500449), (1544, 479705), (1930, 383764), (2593, 285640), (3860, 191882), (5186, 142820), (7141, 103720), (7720, 95941), (10372, 71410), (12965, 57128), (14282, 51860), (20744, 35705), (25930, 28564)]