204806980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2371}}^1$

素因数の和:3004

約数の個数: 48

約数和(自身を含む): 492541056

約数和(自身を除く): 287734076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 617, 1234, 2371, 2468, 3085, 4319, 4742, 6170, 8638, 9484, 11855, 12340, 16597, 17276, 21595, 23710, 33194, 43190, 47420, 66388, 82985, 86380, 165970, 331940, 1462907, 2925814, 5851628, 7314535, 10240349, 14629070, 20480698, 29258140, 40961396, 51201745, 102403490, 204806980]

約数ペア:

[(1, 204806980), (2, 102403490), (4, 51201745), (5, 40961396), (7, 29258140), (10, 20480698), (14, 14629070), (20, 10240349), (28, 7314535), (35, 5851628), (70, 2925814), (140, 1462907), (617, 331940), (1234, 165970), (2371, 86380), (2468, 82985), (3085, 66388), (4319, 47420), (4742, 43190), (6170, 33194), (8638, 23710), (9484, 21595), (11855, 17276), (12340, 16597)]