87926620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 189862848

約数和(自身を除く): 101936228

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 244, 305, 388, 485, 610, 743, 970, 1220, 1486, 1940, 2972, 3715, 5917, 7430, 11834, 14860, 23668, 29585, 45323, 59170, 72071, 90646, 118340, 144142, 181292, 226615, 288284, 360355, 453230, 720710, 906460, 1441420, 4396331, 8792662, 17585324, 21981655, 43963310, 87926620]

約数ペア:

[(1, 87926620), (2, 43963310), (4, 21981655), (5, 17585324), (10, 8792662), (20, 4396331), (61, 1441420), (97, 906460), (122, 720710), (194, 453230), (244, 360355), (305, 288284), (388, 226615), (485, 181292), (610, 144142), (743, 118340), (970, 90646), (1220, 72071), (1486, 59170), (1940, 45323), (2972, 29585), (3715, 23668), (5917, 14860), (7430, 11834)]