54638780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1019}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 131604480

約数和(自身を除く): 76965700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 1019, 1532, 1915, 2038, 2681, 3830, 4076, 5095, 5362, 7133, 7660, 10190, 10724, 13405, 14266, 20380, 26810, 28532, 35665, 53620, 71330, 142660, 390277, 780554, 1561108, 1951385, 2731939, 3902770, 5463878, 7805540, 10927756, 13659695, 27319390, 54638780]

約数ペア:

[(1, 54638780), (2, 27319390), (4, 13659695), (5, 10927756), (7, 7805540), (10, 5463878), (14, 3902770), (20, 2731939), (28, 1951385), (35, 1561108), (70, 780554), (140, 390277), (383, 142660), (766, 71330), (1019, 53620), (1532, 35665), (1915, 28532), (2038, 26810), (2681, 20380), (3830, 14266), (4076, 13405), (5095, 10724), (5362, 10190), (7133, 7660)]