520036820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{1601}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 1110186000

約数和(自身を除く): 590149180

約数列:

[1, 2, 4, 5, 10, 20, 109, 149, 218, 298, 436, 545, 596, 745, 1090, 1490, 1601, 2180, 2980, 3202, 6404, 8005, 16010, 16241, 32020, 32482, 64964, 81205, 162410, 174509, 238549, 324820, 349018, 477098, 698036, 872545, 954196, 1192745, 1745090, 2385490, 3490180, 4770980, 26001841, 52003682, 104007364, 130009205, 260018410, 520036820]

約数ペア:

[(1, 520036820), (2, 260018410), (4, 130009205), (5, 104007364), (10, 52003682), (20, 26001841), (109, 4770980), (149, 3490180), (218, 2385490), (298, 1745090), (436, 1192745), (545, 954196), (596, 872545), (745, 698036), (1090, 477098), (1490, 349018), (1601, 324820), (2180, 238549), (2980, 174509), (3202, 162410), (6404, 81205), (8005, 64964), (16010, 32482), (16241, 32020)]