1211448940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{33521}}^1$

素因数の和:33682

約数の個数: 48

約数和(自身を含む): 2759531040

約数和(自身を除く): 1548082100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 33521, 36140, 67042, 134084, 167605, 335210, 435773, 670420, 871546, 1743092, 2178865, 4357730, 4659419, 8715460, 9318838, 18637676, 23297095, 46594190, 60572447, 93188380, 121144894, 242289788, 302862235, 605724470, 1211448940]

約数ペア:

[(1, 1211448940), (2, 605724470), (4, 302862235), (5, 242289788), (10, 121144894), (13, 93188380), (20, 60572447), (26, 46594190), (52, 23297095), (65, 18637676), (130, 9318838), (139, 8715460), (260, 4659419), (278, 4357730), (556, 2178865), (695, 1743092), (1390, 871546), (1807, 670420), (2780, 435773), (3614, 335210), (7228, 167605), (9035, 134084), (18070, 67042), (33521, 36140)]