9739240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4969}}^1$

素因数の和:4994

約数の個数: 48

約数和(自身を含む): 25496100

約数和(自身を除く): 15756860

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, 4969, 9938, 19876, 24845, 34783, 39752, 49690, 69566, 99380, 139132, 173915, 198760, 243481, 278264, 347830, 486962, 695660, 973924, 1217405, 1391320, 1947848, 2434810, 4869620, 9739240]

約数ペア:

[(1, 9739240), (2, 4869620), (4, 2434810), (5, 1947848), (7, 1391320), (8, 1217405), (10, 973924), (14, 695660), (20, 486962), (28, 347830), (35, 278264), (40, 243481), (49, 198760), (56, 173915), (70, 139132), (98, 99380), (140, 69566), (196, 49690), (245, 39752), (280, 34783), (392, 24845), (490, 19876), (980, 9938), (1960, 4969)]