218479520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{195071}}^1$

素因数の和:195093

約数の個数: 48

約数和(自身を含む): 589897728

約数和(自身を除く): 371418208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 195071, 390142, 780284, 975355, 1365497, 1560568, 1950710, 2730994, 3121136, 3901420, 5461988, 6242272, 6827485, 7802840, 10923976, 13654970, 15605680, 21847952, 27309940, 31211360, 43695904, 54619880, 109239760, 218479520]

約数ペア:

[(1, 218479520), (2, 109239760), (4, 54619880), (5, 43695904), (7, 31211360), (8, 27309940), (10, 21847952), (14, 15605680), (16, 13654970), (20, 10923976), (28, 7802840), (32, 6827485), (35, 6242272), (40, 5461988), (56, 3901420), (70, 3121136), (80, 2730994), (112, 1950710), (140, 1560568), (160, 1365497), (224, 975355), (280, 780284), (560, 390142), (1120, 195071)]