282118520

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{7219}}^1$

素因数の和:8207

約数の個数: 32

約数和(自身を含む): 635504400

約数和(自身を除く): 353385880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 7219, 7816, 9770, 14438, 19540, 28876, 36095, 39080, 57752, 72190, 144380, 288760, 7052963, 14105926, 28211852, 35264815, 56423704, 70529630, 141059260, 282118520]

約数ペア:

[(1, 282118520), (2, 141059260), (4, 70529630), (5, 56423704), (8, 35264815), (10, 28211852), (20, 14105926), (40, 7052963), (977, 288760), (1954, 144380), (3908, 72190), (4885, 57752), (7219, 39080), (7816, 36095), (9770, 28876), (14438, 19540)]