78870910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3853}}^1$

素因数の和:3972

約数の個数: 32

約数和(自身を含む): 149843520

約数和(自身を除く): 70972610

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 3853, 4094, 7706, 10235, 19265, 20470, 38530, 88619, 177238, 342917, 443095, 685834, 886190, 1714585, 3429170, 7887091, 15774182, 39435455, 78870910]

約数ペア:

[(1, 78870910), (2, 39435455), (5, 15774182), (10, 7887091), (23, 3429170), (46, 1714585), (89, 886190), (115, 685834), (178, 443095), (230, 342917), (445, 177238), (890, 88619), (2047, 38530), (3853, 20470), (4094, 19265), (7706, 10235)]