226787420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 509247648

約数和(自身を除く): 282460228

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 311, 361, 380, 404, 505, 622, 722, 1010, 1244, 1444, 1555, 1805, 1919, 2020, 3110, 3610, 3838, 5909, 6220, 7220, 7676, 9595, 11818, 19190, 23636, 29545, 31411, 36461, 38380, 59090, 62822, 72922, 112271, 118180, 125644, 145844, 157055, 182305, 224542, 314110, 364610, 449084, 561355, 596809, 628220, 729220, 1122710, 1193618, 2245420, 2387236, 2984045, 5968090, 11339371, 11936180, 22678742, 45357484, 56696855, 113393710, 226787420]

約数ペア:

[(1, 226787420), (2, 113393710), (4, 56696855), (5, 45357484), (10, 22678742), (19, 11936180), (20, 11339371), (38, 5968090), (76, 2984045), (95, 2387236), (101, 2245420), (190, 1193618), (202, 1122710), (311, 729220), (361, 628220), (380, 596809), (404, 561355), (505, 449084), (622, 364610), (722, 314110), (1010, 224542), (1244, 182305), (1444, 157055), (1555, 145844), (1805, 125644), (1919, 118180), (2020, 112271), (3110, 72922), (3610, 62822), (3838, 59090), (5909, 38380), (6220, 36461), (7220, 31411), (7676, 29545), (9595, 23636), (11818, 19190)]