554820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1321}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 1776768

約数和(自身を除く): 1221948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1321, 2642, 3963, 5284, 6605, 7926, 9247, 13210, 15852, 18494, 19815, 26420, 27741, 36988, 39630, 46235, 55482, 79260, 92470, 110964, 138705, 184940, 277410, 554820]

約数ペア:

[(1, 554820), (2, 277410), (3, 184940), (4, 138705), (5, 110964), (6, 92470), (7, 79260), (10, 55482), (12, 46235), (14, 39630), (15, 36988), (20, 27741), (21, 26420), (28, 19815), (30, 18494), (35, 15852), (42, 13210), (60, 9247), (70, 7926), (84, 6605), (105, 5284), (140, 3963), (210, 2642), (420, 1321)]