720092020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{46219}}^1$

素因数の和:46288

約数の個数: 48

約数和(自身を含む): 1630641600

約数和(自身を除く): 910549580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 46219, 92438, 184876, 231095, 462190, 878161, 924380, 1756322, 1894979, 3512644, 3789958, 4390805, 7579916, 8781610, 9474895, 17563220, 18949790, 36004601, 37899580, 72009202, 144018404, 180023005, 360046010, 720092020]

約数ペア:

[(1, 720092020), (2, 360046010), (4, 180023005), (5, 144018404), (10, 72009202), (19, 37899580), (20, 36004601), (38, 18949790), (41, 17563220), (76, 9474895), (82, 8781610), (95, 7579916), (164, 4390805), (190, 3789958), (205, 3512644), (380, 1894979), (410, 1756322), (779, 924380), (820, 878161), (1558, 462190), (3116, 231095), (3895, 184876), (7790, 92438), (15580, 46219)]