209730640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{617}}^1$

素因数の和:1244

約数の個数: 80

約数和(自身を含む): 559107072

約数和(自身を除く): 349376432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 607, 617, 1214, 1234, 2428, 2468, 3035, 3085, 4249, 4319, 4856, 4936, 6070, 6170, 8498, 8638, 9712, 9872, 12140, 12340, 16996, 17276, 21245, 21595, 24280, 24680, 33992, 34552, 42490, 43190, 48560, 49360, 67984, 69104, 84980, 86380, 169960, 172760, 339920, 345520, 374519, 749038, 1498076, 1872595, 2621633, 2996152, 3745190, 5243266, 5992304, 7490380, 10486532, 13108165, 14980760, 20973064, 26216330, 29961520, 41946128, 52432660, 104865320, 209730640]

約数ペア:

[(1, 209730640), (2, 104865320), (4, 52432660), (5, 41946128), (7, 29961520), (8, 26216330), (10, 20973064), (14, 14980760), (16, 13108165), (20, 10486532), (28, 7490380), (35, 5992304), (40, 5243266), (56, 3745190), (70, 2996152), (80, 2621633), (112, 1872595), (140, 1498076), (280, 749038), (560, 374519), (607, 345520), (617, 339920), (1214, 172760), (1234, 169960), (2428, 86380), (2468, 84980), (3035, 69104), (3085, 67984), (4249, 49360), (4319, 48560), (4856, 43190), (4936, 42490), (6070, 34552), (6170, 33992), (8498, 24680), (8638, 24280), (9712, 21595), (9872, 21245), (12140, 17276), (12340, 16996)]