212340280

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{22027}}^1$

素因数の和:22279

約数の個数: 32

約数和(自身を含む): 479769840

約数和(自身を除く): 267429560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 22027, 44054, 88108, 110135, 176216, 220270, 440540, 881080, 5308507, 10617014, 21234028, 26542535, 42468056, 53085070, 106170140, 212340280]

約数ペア:

[(1, 212340280), (2, 106170140), (4, 53085070), (5, 42468056), (8, 26542535), (10, 21234028), (20, 10617014), (40, 5308507), (241, 881080), (482, 440540), (964, 220270), (1205, 176216), (1928, 110135), (2410, 88108), (4820, 44054), (9640, 22027)]