252537320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{901919}}^1$

素因数の和:901937

約数の個数: 32

約数和(自身を含む): 649382400

約数和(自身を除く): 396845080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 901919, 1803838, 3607676, 4509595, 6313433, 7215352, 9019190, 12626866, 18038380, 25253732, 31567165, 36076760, 50507464, 63134330, 126268660, 252537320]

約数ペア:

[(1, 252537320), (2, 126268660), (4, 63134330), (5, 50507464), (7, 36076760), (8, 31567165), (10, 25253732), (14, 18038380), (20, 12626866), (28, 9019190), (35, 7215352), (40, 6313433), (56, 4509595), (70, 3607676), (140, 1803838), (280, 901919)]