138635420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90023}}^1$

素因数の和:90050

約数の個数: 48

約数和(自身を含む): 362976768

約数和(自身を除く): 224341348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 90023, 180046, 360092, 450115, 630161, 900230, 990253, 1260322, 1800460, 1980506, 2520644, 3150805, 3961012, 4951265, 6301610, 6931771, 9902530, 12603220, 13863542, 19805060, 27727084, 34658855, 69317710, 138635420]

約数ペア:

[(1, 138635420), (2, 69317710), (4, 34658855), (5, 27727084), (7, 19805060), (10, 13863542), (11, 12603220), (14, 9902530), (20, 6931771), (22, 6301610), (28, 4951265), (35, 3961012), (44, 3150805), (55, 2520644), (70, 1980506), (77, 1800460), (110, 1260322), (140, 990253), (154, 900230), (220, 630161), (308, 450115), (385, 360092), (770, 180046), (1540, 90023)]