82804967980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2089979}}^1$

素因数の和:2090278

約数の個数: 48

約数和(自身を含む): 199434251520

約数和(自身を除く): 116629283540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2830, 3962, 5660, 7924, 9905, 19810, 39620, 2089979, 4179958, 8359916, 10449895, 14629853, 20899790, 29259706, 41799580, 58519412, 73149265, 146298530, 292597060, 591464057, 1182928114, 2365856228, 2957320285, 4140248399, 5914640570, 8280496798, 11829281140, 16560993596, 20701241995, 41402483990, 82804967980]

約数ペア:

[(1, 82804967980), (2, 41402483990), (4, 20701241995), (5, 16560993596), (7, 11829281140), (10, 8280496798), (14, 5914640570), (20, 4140248399), (28, 2957320285), (35, 2365856228), (70, 1182928114), (140, 591464057), (283, 292597060), (566, 146298530), (1132, 73149265), (1415, 58519412), (1981, 41799580), (2830, 29259706), (3962, 20899790), (5660, 14629853), (7924, 10449895), (9905, 8359916), (19810, 4179958), (39620, 2089979)]