28293385540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{838571}}^1$

素因数の和:838828

約数の個数: 48

約数和(自身を含む): 68185966464

約数和(自身を除く): 39892580924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 3374, 4820, 6748, 8435, 16870, 33740, 838571, 1677142, 3354284, 4192855, 5869997, 8385710, 11739994, 16771420, 23479988, 29349985, 58699970, 117399940, 202095611, 404191222, 808382444, 1010478055, 1414669277, 2020956110, 2829338554, 4041912220, 5658677108, 7073346385, 14146692770, 28293385540]

約数ペア:

[(1, 28293385540), (2, 14146692770), (4, 7073346385), (5, 5658677108), (7, 4041912220), (10, 2829338554), (14, 2020956110), (20, 1414669277), (28, 1010478055), (35, 808382444), (70, 404191222), (140, 202095611), (241, 117399940), (482, 58699970), (964, 29349985), (1205, 23479988), (1687, 16771420), (2410, 11739994), (3374, 8385710), (4820, 5869997), (6748, 4192855), (8435, 3354284), (16870, 1677142), (33740, 838571)]