280630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 610560

約数和(自身を除く): 329930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 211, 266, 422, 665, 1055, 1330, 1477, 2110, 2954, 4009, 7385, 8018, 14770, 20045, 28063, 40090, 56126, 140315, 280630]

約数ペア:

[(1, 280630), (2, 140315), (5, 56126), (7, 40090), (10, 28063), (14, 20045), (19, 14770), (35, 8018), (38, 7385), (70, 4009), (95, 2954), (133, 2110), (190, 1477), (211, 1330), (266, 1055), (422, 665)]