128849260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1607}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 286352640

約数和(自身を除く): 157503380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 1055, 1607, 2110, 3214, 4009, 4220, 6428, 8018, 8035, 16036, 16070, 20045, 30533, 32140, 40090, 61066, 80180, 122132, 152665, 305330, 339077, 610660, 678154, 1356308, 1695385, 3390770, 6442463, 6781540, 12884926, 25769852, 32212315, 64424630, 128849260]

約数ペア:

[(1, 128849260), (2, 64424630), (4, 32212315), (5, 25769852), (10, 12884926), (19, 6781540), (20, 6442463), (38, 3390770), (76, 1695385), (95, 1356308), (190, 678154), (211, 610660), (380, 339077), (422, 305330), (844, 152665), (1055, 122132), (1607, 80180), (2110, 61066), (3214, 40090), (4009, 32140), (4220, 30533), (6428, 20045), (8018, 16070), (8035, 16036)]