400292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 772800

約数和(自身を除く): 372508

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 229, 437, 458, 874, 916, 1748, 4351, 5267, 8702, 10534, 17404, 21068, 100073, 200146, 400292]

約数ペア:

[(1, 400292), (2, 200146), (4, 100073), (19, 21068), (23, 17404), (38, 10534), (46, 8702), (76, 5267), (92, 4351), (229, 1748), (437, 916), (458, 874)]