2198780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2881540

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 223, 290, 340, 446, 493, 580, 892, 986, 1115, 1972, 2230, 2465, 3791, 4460, 4930, 6467, 7582, 9860, 12934, 15164, 18955, 25868, 32335, 37910, 64670, 75820, 109939, 129340, 219878, 439756, 549695, 1099390, 2198780]

約数ペア:

[(1, 2198780), (2, 1099390), (4, 549695), (5, 439756), (10, 219878), (17, 129340), (20, 109939), (29, 75820), (34, 64670), (58, 37910), (68, 32335), (85, 25868), (116, 18955), (145, 15164), (170, 12934), (223, 9860), (290, 7582), (340, 6467), (446, 4930), (493, 4460), (580, 3791), (892, 2465), (986, 2230), (1115, 1972)]