1388895929540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2053}}^1\times {\mathrm{4832287}}^1$

素因数の和:4834356

約数の個数: 48

約数和(自身を含む): 3334974569472

約数和(自身を除く): 1946078639932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2053, 4106, 8212, 10265, 14371, 20530, 28742, 41060, 57484, 71855, 143710, 287420, 4832287, 9664574, 19329148, 24161435, 33826009, 48322870, 67652018, 96645740, 135304036, 169130045, 338260090, 676520180, 9920685211, 19841370422, 39682740844, 49603426055, 69444796477, 99206852110, 138889592954, 198413704220, 277779185908, 347223982385, 694447964770, 1388895929540]

約数ペア:

[(1, 1388895929540), (2, 694447964770), (4, 347223982385), (5, 277779185908), (7, 198413704220), (10, 138889592954), (14, 99206852110), (20, 69444796477), (28, 49603426055), (35, 39682740844), (70, 19841370422), (140, 9920685211), (2053, 676520180), (4106, 338260090), (8212, 169130045), (10265, 135304036), (14371, 96645740), (20530, 67652018), (28742, 48322870), (41060, 33826009), (57484, 24161435), (71855, 19329148), (143710, 9664574), (287420, 4832287)]