243326890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{11887}}^1$

素因数の和:12006

約数の個数: 32

約数和(自身を含む): 462205440

約数和(自身を除く): 218878550

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 11887, 20470, 23774, 59435, 118870, 273401, 546802, 1057943, 1367005, 2115886, 2734010, 5289715, 10579430, 24332689, 48665378, 121663445, 243326890]

約数ペア:

[(1, 243326890), (2, 121663445), (5, 48665378), (10, 24332689), (23, 10579430), (46, 5289715), (89, 2734010), (115, 2115886), (178, 1367005), (230, 1057943), (445, 546802), (890, 273401), (2047, 118870), (4094, 59435), (10235, 23774), (11887, 20470)]