1244740280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4445501}}^1$

素因数の和:4445519

約数の個数: 32

約数和(自身を含む): 3200761440

約数和(自身を除く): 1956021160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4445501, 8891002, 17782004, 22227505, 31118507, 35564008, 44455010, 62237014, 88910020, 124474028, 155592535, 177820040, 248948056, 311185070, 622370140, 1244740280]

約数ペア:

[(1, 1244740280), (2, 622370140), (4, 311185070), (5, 248948056), (7, 177820040), (8, 155592535), (10, 124474028), (14, 88910020), (20, 62237014), (28, 44455010), (35, 35564008), (40, 31118507), (56, 22227505), (70, 17782004), (140, 8891002), (280, 4445501)]