280123916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{8209}}^1$

素因数の和:8681

約数の個数: 24

約数和(自身を含む): 517230000

約数和(自身を除く): 237106084

約数列:

[1, 2, 4, 19, 38, 76, 449, 898, 1796, 8209, 8531, 16418, 17062, 32836, 34124, 155971, 311942, 623884, 3685841, 7371682, 14743364, 70030979, 140061958, 280123916]

約数ペア:

[(1, 280123916), (2, 140061958), (4, 70030979), (19, 14743364), (38, 7371682), (76, 3685841), (449, 623884), (898, 311942), (1796, 155971), (8209, 34124), (8531, 32836), (16418, 17062)]