1288409260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{16993}}^1$

素因数の和:17242

約数の個数: 48

約数和(自身を含む): 2877831936

約数和(自身を除く): 1589422676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 223, 340, 446, 892, 1115, 2230, 3791, 4460, 7582, 15164, 16993, 18955, 33986, 37910, 67972, 75820, 84965, 169930, 288881, 339860, 577762, 1155524, 1444405, 2888810, 3789439, 5777620, 7578878, 15157756, 18947195, 37894390, 64420463, 75788780, 128840926, 257681852, 322102315, 644204630, 1288409260]

約数ペア:

[(1, 1288409260), (2, 644204630), (4, 322102315), (5, 257681852), (10, 128840926), (17, 75788780), (20, 64420463), (34, 37894390), (68, 18947195), (85, 15157756), (170, 7578878), (223, 5777620), (340, 3789439), (446, 2888810), (892, 1444405), (1115, 1155524), (2230, 577762), (3791, 339860), (4460, 288881), (7582, 169930), (15164, 84965), (16993, 75820), (18955, 67972), (33986, 37910)]