128465680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229403}}^1$

素因数の和:229423

約数の個数: 40

約数和(自身を含む): 341353152

約数和(自身を除く): 212887472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229403, 458806, 917612, 1147015, 1605821, 1835224, 2294030, 3211642, 3670448, 4588060, 6423284, 8029105, 9176120, 12846568, 16058210, 18352240, 25693136, 32116420, 64232840, 128465680]

約数ペア:

[(1, 128465680), (2, 64232840), (4, 32116420), (5, 25693136), (7, 18352240), (8, 16058210), (10, 12846568), (14, 9176120), (16, 8029105), (20, 6423284), (28, 4588060), (35, 3670448), (40, 3211642), (56, 2294030), (70, 1835224), (80, 1605821), (112, 1147015), (140, 917612), (280, 458806), (560, 229403)]