489641380

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{39551}}^1$

素因数の和:40179

約数の個数: 24

約数和(自身を含む): 1029934080

約数和(自身を除く): 540292700

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 39551, 79102, 158204, 197755, 395510, 791020, 24482069, 48964138, 97928276, 122410345, 244820690, 489641380]

約数ペア:

[(1, 489641380), (2, 244820690), (4, 122410345), (5, 97928276), (10, 48964138), (20, 24482069), (619, 791020), (1238, 395510), (2476, 197755), (3095, 158204), (6190, 79102), (12380, 39551)]