279874240

素因数分解:

$2^6\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1889}}^1$

素因数の和:2369

約数の個数: 56

約数和(自身を含む): 668243520

約数和(自身を除く): 388369280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 463, 926, 1852, 1889, 2315, 3704, 3778, 4630, 7408, 7556, 9260, 9445, 14816, 15112, 18520, 18890, 29632, 30224, 37040, 37780, 60448, 74080, 75560, 120896, 148160, 151120, 302240, 604480, 874607, 1749214, 3498428, 4373035, 6996856, 8746070, 13993712, 17492140, 27987424, 34984280, 55974848, 69968560, 139937120, 279874240]

約数ペア:

[(1, 279874240), (2, 139937120), (4, 69968560), (5, 55974848), (8, 34984280), (10, 27987424), (16, 17492140), (20, 13993712), (32, 8746070), (40, 6996856), (64, 4373035), (80, 3498428), (160, 1749214), (320, 874607), (463, 604480), (926, 302240), (1852, 151120), (1889, 148160), (2315, 120896), (3704, 75560), (3778, 74080), (4630, 60448), (7408, 37780), (7556, 37040), (9260, 30224), (9445, 29632), (14816, 18890), (15112, 18520)]