137434640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{245419}}^1$

素因数の和:245439

約数の個数: 40

約数和(自身を含む): 365184960

約数和(自身を除く): 227750320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 245419, 490838, 981676, 1227095, 1717933, 1963352, 2454190, 3435866, 3926704, 4908380, 6871732, 8589665, 9816760, 13743464, 17179330, 19633520, 27486928, 34358660, 68717320, 137434640]

約数ペア:

[(1, 137434640), (2, 68717320), (4, 34358660), (5, 27486928), (7, 19633520), (8, 17179330), (10, 13743464), (14, 9816760), (16, 8589665), (20, 6871732), (28, 4908380), (35, 3926704), (40, 3435866), (56, 2454190), (70, 1963352), (80, 1717933), (112, 1227095), (140, 981676), (280, 490838), (560, 245419)]