813113560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{14741}}^1$

素因数の和:14956

約数の個数: 64

約数和(自身を含む): 2101619520

約数和(自身を除く): 1288505960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 5516, 6895, 7880, 11032, 13790, 14741, 27580, 29482, 55160, 58964, 73705, 103187, 117928, 147410, 206374, 294820, 412748, 515935, 589640, 825496, 1031870, 2063740, 2903977, 4127480, 5807954, 11615908, 14519885, 20327839, 23231816, 29039770, 40655678, 58079540, 81311356, 101639195, 116159080, 162622712, 203278390, 406556780, 813113560]

約数ペア:

[(1, 813113560), (2, 406556780), (4, 203278390), (5, 162622712), (7, 116159080), (8, 101639195), (10, 81311356), (14, 58079540), (20, 40655678), (28, 29039770), (35, 23231816), (40, 20327839), (56, 14519885), (70, 11615908), (140, 5807954), (197, 4127480), (280, 2903977), (394, 2063740), (788, 1031870), (985, 825496), (1379, 589640), (1576, 515935), (1970, 412748), (2758, 294820), (3940, 206374), (5516, 147410), (6895, 117928), (7880, 103187), (11032, 73705), (13790, 58964), (14741, 55160), (27580, 29482)]