231789980

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{20807}}^1$

素因数の和:21373

約数の個数: 24

約数和(自身を含む): 487656288

約数和(自身を除く): 255866308

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 20807, 41614, 83228, 104035, 208070, 416140, 11589499, 23178998, 46357996, 57947495, 115894990, 231789980]

約数ペア:

[(1, 231789980), (2, 115894990), (4, 57947495), (5, 46357996), (10, 23178998), (20, 11589499), (557, 416140), (1114, 208070), (2228, 104035), (2785, 83228), (5570, 41614), (11140, 20807)]