561260

素因数分解:

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

素因数の和:246

約数の個数: 48

約数和(自身を含む): 1424640

約数和(自身を除く): 863380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 211, 266, 380, 422, 532, 665, 844, 1055, 1330, 1477, 2110, 2660, 2954, 4009, 4220, 5908, 7385, 8018, 14770, 16036, 20045, 28063, 29540, 40090, 56126, 80180, 112252, 140315, 280630, 561260]

約数ペア:

[(1, 561260), (2, 280630), (4, 140315), (5, 112252), (7, 80180), (10, 56126), (14, 40090), (19, 29540), (20, 28063), (28, 20045), (35, 16036), (38, 14770), (70, 8018), (76, 7385), (95, 5908), (133, 4220), (140, 4009), (190, 2954), (211, 2660), (266, 2110), (380, 1477), (422, 1330), (532, 1055), (665, 844)]