53923380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128389}}^1$

素因数の和:128408

約数の個数: 48

約数和(自身を含む): 172556160

約数和(自身を除く): 118632780

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, 128389, 256778, 385167, 513556, 641945, 770334, 898723, 1283890, 1540668, 1797446, 1925835, 2567780, 2696169, 3594892, 3851670, 4493615, 5392338, 7703340, 8987230, 10784676, 13480845, 17974460, 26961690, 53923380]

約数ペア:

[(1, 53923380), (2, 26961690), (3, 17974460), (4, 13480845), (5, 10784676), (6, 8987230), (7, 7703340), (10, 5392338), (12, 4493615), (14, 3851670), (15, 3594892), (20, 2696169), (21, 2567780), (28, 1925835), (30, 1797446), (35, 1540668), (42, 1283890), (60, 898723), (70, 770334), (84, 641945), (105, 513556), (140, 385167), (210, 256778), (420, 128389)]