7215692540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4943}}^1\times {\mathrm{10427}}^1$

素因数の和:15386

約数の個数: 48

約数和(自身を含む): 17322826752

約数和(自身を除く): 10107134212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4943, 9886, 10427, 19772, 20854, 24715, 34601, 41708, 49430, 52135, 69202, 72989, 98860, 104270, 138404, 145978, 173005, 208540, 291956, 346010, 364945, 692020, 729890, 1459780, 51540661, 103081322, 206162644, 257703305, 360784627, 515406610, 721569254, 1030813220, 1443138508, 1803923135, 3607846270, 7215692540]

約数ペア:

[(1, 7215692540), (2, 3607846270), (4, 1803923135), (5, 1443138508), (7, 1030813220), (10, 721569254), (14, 515406610), (20, 360784627), (28, 257703305), (35, 206162644), (70, 103081322), (140, 51540661), (4943, 1459780), (9886, 729890), (10427, 692020), (19772, 364945), (20854, 346010), (24715, 291956), (34601, 208540), (41708, 173005), (49430, 145978), (52135, 138404), (69202, 104270), (72989, 98860)]