309409072

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{145399}}^1$

素因数の和:145433

約数の個数: 40

約数和(自身を含む): 721184000

約数和(自身を除く): 411774928

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 145399, 290798, 581596, 1017793, 1163192, 2035586, 2326384, 2762581, 4071172, 5525162, 8142344, 11050324, 16284688, 19338067, 22100648, 38676134, 44201296, 77352268, 154704536, 309409072]

約数ペア:

[(1, 309409072), (2, 154704536), (4, 77352268), (7, 44201296), (8, 38676134), (14, 22100648), (16, 19338067), (19, 16284688), (28, 11050324), (38, 8142344), (56, 5525162), (76, 4071172), (112, 2762581), (133, 2326384), (152, 2035586), (266, 1163192), (304, 1017793), (532, 581596), (1064, 290798), (2128, 145399)]