2520272020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{486539}}^1$

素因数の和:486592

約数の個数: 48

約数和(自身を含む): 6212142720

約数和(自身を除く): 3691870700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 486539, 973078, 1946156, 2432695, 3405773, 4865390, 6811546, 9730780, 13623092, 17028865, 18001943, 34057730, 36003886, 68115460, 72007772, 90009715, 126013601, 180019430, 252027202, 360038860, 504054404, 630068005, 1260136010, 2520272020]

約数ペア:

[(1, 2520272020), (2, 1260136010), (4, 630068005), (5, 504054404), (7, 360038860), (10, 252027202), (14, 180019430), (20, 126013601), (28, 90009715), (35, 72007772), (37, 68115460), (70, 36003886), (74, 34057730), (140, 18001943), (148, 17028865), (185, 13623092), (259, 9730780), (370, 6811546), (518, 4865390), (740, 3405773), (1036, 2432695), (1295, 1946156), (2590, 973078), (5180, 486539)]