621087460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4436339}}^1$

素因数の和:4436355

約数の個数: 24

約数和(自身を含む): 1490610240

約数和(自身を除く): 869522780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4436339, 8872678, 17745356, 22181695, 31054373, 44363390, 62108746, 88726780, 124217492, 155271865, 310543730, 621087460]

約数ペア:

[(1, 621087460), (2, 310543730), (4, 155271865), (5, 124217492), (7, 88726780), (10, 62108746), (14, 44363390), (20, 31054373), (28, 22181695), (35, 17745356), (70, 8872678), (140, 4436339)]