289231490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{5659}}^1$

素因数の和:5954

約数の個数: 32

約数和(自身を含む): 550152000

約数和(自身を除く): 260920510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 538, 1345, 2690, 5111, 5659, 10222, 11318, 25555, 28295, 51110, 56590, 107521, 215042, 537605, 1075210, 1522271, 3044542, 7611355, 15222710, 28923149, 57846298, 144615745, 289231490]

約数ペア:

[(1, 289231490), (2, 144615745), (5, 57846298), (10, 28923149), (19, 15222710), (38, 7611355), (95, 3044542), (190, 1522271), (269, 1075210), (538, 537605), (1345, 215042), (2690, 107521), (5111, 56590), (5659, 51110), (10222, 28295), (11318, 25555)]