388640350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{1110401}}^1$

素因数の和:1110420

約数の個数: 24

約数和(自身を含む): 826139088

約数和(自身を除く): 437498738

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 1110401, 2220802, 5552005, 7772807, 11104010, 15545614, 27760025, 38864035, 55520050, 77728070, 194320175, 388640350]

約数ペア:

[(1, 388640350), (2, 194320175), (5, 77728070), (7, 55520050), (10, 38864035), (14, 27760025), (25, 15545614), (35, 11104010), (50, 7772807), (70, 5552005), (175, 2220802), (350, 1110401)]