1388823780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4721}}^1\times {\mathrm{4903}}^1$

素因数の和:9636

約数の個数: 48

約数和(自身を含む): 3890323584

約数和(自身を除く): 2501499804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4721, 4903, 9442, 9806, 14163, 14709, 18884, 19612, 23605, 24515, 28326, 29418, 47210, 49030, 56652, 58836, 70815, 73545, 94420, 98060, 141630, 147090, 283260, 294180, 23147063, 46294126, 69441189, 92588252, 115735315, 138882378, 231470630, 277764756, 347205945, 462941260, 694411890, 1388823780]

約数ペア:

[(1, 1388823780), (2, 694411890), (3, 462941260), (4, 347205945), (5, 277764756), (6, 231470630), (10, 138882378), (12, 115735315), (15, 92588252), (20, 69441189), (30, 46294126), (60, 23147063), (4721, 294180), (4903, 283260), (9442, 147090), (9806, 141630), (14163, 98060), (14709, 94420), (18884, 73545), (19612, 70815), (23605, 58836), (24515, 56652), (28326, 49030), (29418, 47210)]