158472020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1131943}}^1$

素因数の和:1131959

約数の個数: 24

約数和(自身を含む): 380333184

約数和(自身を除く): 221861164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1131943, 2263886, 4527772, 5659715, 7923601, 11319430, 15847202, 22638860, 31694404, 39618005, 79236010, 158472020]

約数ペア:

[(1, 158472020), (2, 79236010), (4, 39618005), (5, 31694404), (7, 22638860), (10, 15847202), (14, 11319430), (20, 7923601), (28, 5659715), (35, 4527772), (70, 2263886), (140, 1131943)]