140352280

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{6709}}^1$

素因数の和:7243

約数の個数: 32

約数和(自身を含む): 316443600

約数和(自身を除く): 176091320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 6709, 10460, 13418, 20920, 26836, 33545, 53672, 67090, 134180, 268360, 3508807, 7017614, 14035228, 17544035, 28070456, 35088070, 70176140, 140352280]

約数ペア:

[(1, 140352280), (2, 70176140), (4, 35088070), (5, 28070456), (8, 17544035), (10, 14035228), (20, 7017614), (40, 3508807), (523, 268360), (1046, 134180), (2092, 67090), (2615, 53672), (4184, 33545), (5230, 26836), (6709, 20920), (10460, 13418)]