28410340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202931}}^1$

素因数の和:202947

約数の個数: 24

約数和(自身を含む): 68185152

約数和(自身を除く): 39774812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202931, 405862, 811724, 1014655, 1420517, 2029310, 2841034, 4058620, 5682068, 7102585, 14205170, 28410340]

約数ペア:

[(1, 28410340), (2, 14205170), (4, 7102585), (5, 5682068), (7, 4058620), (10, 2841034), (14, 2029310), (20, 1420517), (28, 1014655), (35, 811724), (70, 405862), (140, 202931)]