281360240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{502429}}^1$

素因数の和:502449

約数の個数: 40

約数和(自身を含む): 747615840

約数和(自身を除く): 466255600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 502429, 1004858, 2009716, 2512145, 3517003, 4019432, 5024290, 7034006, 8038864, 10048580, 14068012, 17585015, 20097160, 28136024, 35170030, 40194320, 56272048, 70340060, 140680120, 281360240]

約数ペア:

[(1, 281360240), (2, 140680120), (4, 70340060), (5, 56272048), (7, 40194320), (8, 35170030), (10, 28136024), (14, 20097160), (16, 17585015), (20, 14068012), (28, 10048580), (35, 8038864), (40, 7034006), (56, 5024290), (70, 4019432), (80, 3517003), (112, 2512145), (140, 2009716), (280, 1004858), (560, 502429)]