15898540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16223}}^1$

素因数の和:16246

約数の個数: 36

約数和(自身を含む): 38840256

約数和(自身を除く): 22941716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16223, 32446, 64892, 81115, 113561, 162230, 227122, 324460, 454244, 567805, 794927, 1135610, 1589854, 2271220, 3179708, 3974635, 7949270, 15898540]

約数ペア:

[(1, 15898540), (2, 7949270), (4, 3974635), (5, 3179708), (7, 2271220), (10, 1589854), (14, 1135610), (20, 794927), (28, 567805), (35, 454244), (49, 324460), (70, 227122), (98, 162230), (140, 113561), (196, 81115), (245, 64892), (490, 32446), (980, 16223)]