1420244812

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 2940770448

約数和(自身を除く): 1520525636

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 241, 281, 428, 482, 562, 749, 964, 1124, 1498, 1687, 1967, 2996, 3374, 3934, 5243, 6748, 7868, 10486, 11809, 13769, 20972, 23618, 25787, 27538, 30067, 47236, 51574, 55076, 60134, 67721, 103148, 120268, 135442, 180509, 210469, 270884, 361018, 420938, 474047, 722036, 841876, 948094, 1263563, 1473283, 1896188, 2527126, 2946566, 3318329, 5054252, 5893132, 6636658, 7246147, 13273316, 14492294, 28984588, 50723029, 101446058, 202892116, 355061203, 710122406, 1420244812]

約数ペア:

[(1, 1420244812), (2, 710122406), (4, 355061203), (7, 202892116), (14, 101446058), (28, 50723029), (49, 28984588), (98, 14492294), (107, 13273316), (196, 7246147), (214, 6636658), (241, 5893132), (281, 5054252), (428, 3318329), (482, 2946566), (562, 2527126), (749, 1896188), (964, 1473283), (1124, 1263563), (1498, 948094), (1687, 841876), (1967, 722036), (2996, 474047), (3374, 420938), (3934, 361018), (5243, 270884), (6748, 210469), (7868, 180509), (10486, 135442), (11809, 120268), (13769, 103148), (20972, 67721), (23618, 60134), (25787, 55076), (27538, 51574), (30067, 47236)]