287667080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 659594880

約数和(自身を除く): 371927800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 151, 194, 302, 388, 485, 491, 604, 755, 776, 970, 982, 1208, 1510, 1940, 1964, 2455, 3020, 3880, 3928, 4910, 6040, 9820, 14647, 19640, 29294, 47627, 58588, 73235, 74141, 95254, 117176, 146470, 148282, 190508, 238135, 292940, 296564, 370705, 381016, 476270, 585880, 593128, 741410, 952540, 1482820, 1905080, 2965640, 7191677, 14383354, 28766708, 35958385, 57533416, 71916770, 143833540, 287667080]

約数ペア:

[(1, 287667080), (2, 143833540), (4, 71916770), (5, 57533416), (8, 35958385), (10, 28766708), (20, 14383354), (40, 7191677), (97, 2965640), (151, 1905080), (194, 1482820), (302, 952540), (388, 741410), (485, 593128), (491, 585880), (604, 476270), (755, 381016), (776, 370705), (970, 296564), (982, 292940), (1208, 238135), (1510, 190508), (1940, 148282), (1964, 146470), (2455, 117176), (3020, 95254), (3880, 74141), (3928, 73235), (4910, 58588), (6040, 47627), (9820, 29294), (14647, 19640)]