1388395060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{75211}}^1$

素因数の和:75304

約数の個数: 48

約数和(自身を含む): 3184175232

約数和(自身を除く): 1795780172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 75211, 150422, 300844, 376055, 752110, 977743, 1504220, 1955486, 3910972, 4888715, 5339981, 9777430, 10679962, 19554860, 21359924, 26699905, 53399810, 69419753, 106799620, 138839506, 277679012, 347098765, 694197530, 1388395060]

約数ペア:

[(1, 1388395060), (2, 694197530), (4, 347098765), (5, 277679012), (10, 138839506), (13, 106799620), (20, 69419753), (26, 53399810), (52, 26699905), (65, 21359924), (71, 19554860), (130, 10679962), (142, 9777430), (260, 5339981), (284, 4888715), (355, 3910972), (710, 1955486), (923, 1504220), (1420, 977743), (1846, 752110), (3692, 376055), (4615, 300844), (9230, 150422), (18460, 75211)]