1200578890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{571}}^1\times {\mathrm{613}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 2528697600

約数和(自身を除く): 1328118710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 571, 613, 686, 1142, 1226, 1715, 2855, 3065, 3430, 3997, 4291, 5710, 6130, 7994, 8582, 19985, 21455, 27979, 30037, 39970, 42910, 55958, 60074, 139895, 150185, 195853, 210259, 279790, 300370, 350023, 391706, 420518, 700046, 979265, 1051295, 1750115, 1958530, 2102590, 2450161, 3500230, 4900322, 12250805, 17151127, 24501610, 34302254, 85755635, 120057889, 171511270, 240115778, 600289445, 1200578890]

約数ペア:

[(1, 1200578890), (2, 600289445), (5, 240115778), (7, 171511270), (10, 120057889), (14, 85755635), (35, 34302254), (49, 24501610), (70, 17151127), (98, 12250805), (245, 4900322), (343, 3500230), (490, 2450161), (571, 2102590), (613, 1958530), (686, 1750115), (1142, 1051295), (1226, 979265), (1715, 700046), (2855, 420518), (3065, 391706), (3430, 350023), (3997, 300370), (4291, 279790), (5710, 210259), (6130, 195853), (7994, 150185), (8582, 139895), (19985, 60074), (21455, 55958), (27979, 42910), (30037, 39970)]