168322520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221477}}^1$

素因数の和:221507

約数の個数: 32

約数和(自身を含む): 398660400

約数和(自身を除く): 230337880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 221477, 442954, 885908, 1107385, 1771816, 2214770, 4208063, 4429540, 8416126, 8859080, 16832252, 21040315, 33664504, 42080630, 84161260, 168322520]

約数ペア:

[(1, 168322520), (2, 84161260), (4, 42080630), (5, 33664504), (8, 21040315), (10, 16832252), (19, 8859080), (20, 8416126), (38, 4429540), (40, 4208063), (76, 2214770), (95, 1771816), (152, 1107385), (190, 885908), (380, 442954), (760, 221477)]