319569080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257717}}^1$

素因数の和:257759

約数の個数: 32

約数和(自身を含む): 742227840

約数和(自身を除く): 422658760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 257717, 515434, 1030868, 1288585, 2061736, 2577170, 5154340, 7989227, 10308680, 15978454, 31956908, 39946135, 63913816, 79892270, 159784540, 319569080]

約数ペア:

[(1, 319569080), (2, 159784540), (4, 79892270), (5, 63913816), (8, 39946135), (10, 31956908), (20, 15978454), (31, 10308680), (40, 7989227), (62, 5154340), (124, 2577170), (155, 2061736), (248, 1288585), (310, 1030868), (620, 515434), (1240, 257717)]