280438144

素因数分解:

$2^7\times 7^1\times {\mathrm{312989}}^1$

素因数の和:313010

約数の個数: 32

約数和(自身を含む): 638499600

約数和(自身を除く): 358061456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 312989, 625978, 1251956, 2190923, 2503912, 4381846, 5007824, 8763692, 10015648, 17527384, 20031296, 35054768, 40062592, 70109536, 140219072, 280438144]

約数ペア:

[(1, 280438144), (2, 140219072), (4, 70109536), (7, 40062592), (8, 35054768), (14, 20031296), (16, 17527384), (28, 10015648), (32, 8763692), (56, 5007824), (64, 4381846), (112, 2503912), (128, 2190923), (224, 1251956), (448, 625978), (896, 312989)]