713896580

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 1516569600

約数和(自身を除く): 802673020

約数列:

[1, 2, 4, 5, 10, 20, 181, 199, 362, 398, 724, 796, 905, 991, 995, 1810, 1982, 1990, 3620, 3964, 3980, 4955, 9910, 19820, 36019, 72038, 144076, 179371, 180095, 197209, 358742, 360190, 394418, 717484, 720380, 788836, 896855, 986045, 1793710, 1972090, 3587420, 3944180, 35694829, 71389658, 142779316, 178474145, 356948290, 713896580]

約数ペア:

[(1, 713896580), (2, 356948290), (4, 178474145), (5, 142779316), (10, 71389658), (20, 35694829), (181, 3944180), (199, 3587420), (362, 1972090), (398, 1793710), (724, 986045), (796, 896855), (905, 788836), (991, 720380), (995, 717484), (1810, 394418), (1982, 360190), (1990, 358742), (3620, 197209), (3964, 180095), (3980, 179371), (4955, 144076), (9910, 72038), (19820, 36019)]