142112980

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{12757}}^1$

素因数の和:13323

約数の個数: 24

約数和(自身を含む): 298996488

約数和(自身を除く): 156883508

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 12757, 25514, 51028, 63785, 127570, 255140, 7105649, 14211298, 28422596, 35528245, 71056490, 142112980]

約数ペア:

[(1, 142112980), (2, 71056490), (4, 35528245), (5, 28422596), (10, 14211298), (20, 7105649), (557, 255140), (1114, 127570), (2228, 63785), (2785, 51028), (5570, 25514), (11140, 12757)]