212778160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{929}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 567374400

約数和(自身を除く): 354596240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 409, 560, 818, 929, 1636, 1858, 2045, 2863, 3272, 3716, 4090, 4645, 5726, 6503, 6544, 7432, 8180, 9290, 11452, 13006, 14315, 14864, 16360, 18580, 22904, 26012, 28630, 32515, 32720, 37160, 45808, 52024, 57260, 65030, 74320, 104048, 114520, 130060, 229040, 260120, 379961, 520240, 759922, 1519844, 1899805, 2659727, 3039688, 3799610, 5319454, 6079376, 7599220, 10638908, 13298635, 15198440, 21277816, 26597270, 30396880, 42555632, 53194540, 106389080, 212778160]

約数ペア:

[(1, 212778160), (2, 106389080), (4, 53194540), (5, 42555632), (7, 30396880), (8, 26597270), (10, 21277816), (14, 15198440), (16, 13298635), (20, 10638908), (28, 7599220), (35, 6079376), (40, 5319454), (56, 3799610), (70, 3039688), (80, 2659727), (112, 1899805), (140, 1519844), (280, 759922), (409, 520240), (560, 379961), (818, 260120), (929, 229040), (1636, 130060), (1858, 114520), (2045, 104048), (2863, 74320), (3272, 65030), (3716, 57260), (4090, 52024), (4645, 45808), (5726, 37160), (6503, 32720), (6544, 32515), (7432, 28630), (8180, 26012), (9290, 22904), (11452, 18580), (13006, 16360), (14315, 14864)]