13772920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{7027}}^1$

素因数の和:7052

約数の個数: 48

約数和(自身を含む): 36053640

約数和(自身を除く): 22280720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7027, 14054, 28108, 35135, 49189, 56216, 70270, 98378, 140540, 196756, 245945, 281080, 344323, 393512, 491890, 688646, 983780, 1377292, 1721615, 1967560, 2754584, 3443230, 6886460, 13772920]

約数ペア:

[(1, 13772920), (2, 6886460), (4, 3443230), (5, 2754584), (7, 1967560), (8, 1721615), (10, 1377292), (14, 983780), (20, 688646), (28, 491890), (35, 393512), (40, 344323), (49, 281080), (56, 245945), (70, 196756), (98, 140540), (140, 98378), (196, 70270), (245, 56216), (280, 49189), (392, 35135), (490, 28108), (980, 14054), (1960, 7027)]