215858380

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{11047}}^1$

素因数の和:12033

約数の個数: 24

約数和(自身を含む): 453807648

約数和(自身を除く): 237949268

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 11047, 19540, 22094, 44188, 55235, 110470, 220940, 10792919, 21585838, 43171676, 53964595, 107929190, 215858380]

約数ペア:

[(1, 215858380), (2, 107929190), (4, 53964595), (5, 43171676), (10, 21585838), (20, 10792919), (977, 220940), (1954, 110470), (3908, 55235), (4885, 44188), (9770, 22094), (11047, 19540)]