123426380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80147}}^1$

素因数の和:80174

約数の個数: 48

約数和(自身を含む): 323156736

約数和(自身を除く): 199730356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 80147, 160294, 320588, 400735, 561029, 801470, 881617, 1122058, 1602940, 1763234, 2244116, 2805145, 3526468, 4408085, 5610290, 6171319, 8816170, 11220580, 12342638, 17632340, 24685276, 30856595, 61713190, 123426380]

約数ペア:

[(1, 123426380), (2, 61713190), (4, 30856595), (5, 24685276), (7, 17632340), (10, 12342638), (11, 11220580), (14, 8816170), (20, 6171319), (22, 5610290), (28, 4408085), (35, 3526468), (44, 2805145), (55, 2244116), (70, 1763234), (77, 1602940), (110, 1122058), (140, 881617), (154, 801470), (220, 561029), (308, 400735), (385, 320588), (770, 160294), (1540, 80147)]