249545140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4973}}^1$

素因数の和:5188

約数の個数: 48

約数和(自身を含む): 567394128

約数和(自身を除く): 317848988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1930, 2509, 3860, 4973, 5018, 9946, 10036, 12545, 19892, 24865, 25090, 49730, 50180, 64649, 99460, 129298, 258596, 323245, 646490, 959789, 1292980, 1919578, 3839156, 4798945, 9597890, 12477257, 19195780, 24954514, 49909028, 62386285, 124772570, 249545140]

約数ペア:

[(1, 249545140), (2, 124772570), (4, 62386285), (5, 49909028), (10, 24954514), (13, 19195780), (20, 12477257), (26, 9597890), (52, 4798945), (65, 3839156), (130, 1919578), (193, 1292980), (260, 959789), (386, 646490), (772, 323245), (965, 258596), (1930, 129298), (2509, 99460), (3860, 64649), (4973, 50180), (5018, 49730), (9946, 25090), (10036, 24865), (12545, 19892)]