211299988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 410256000

約数和(自身を除く): 198956012

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 109, 218, 436, 437, 874, 1109, 1748, 2071, 2218, 2507, 4142, 4436, 5014, 8284, 10028, 21071, 25507, 42142, 47633, 51014, 84284, 95266, 102028, 120881, 190532, 241762, 483524, 484633, 969266, 1938532, 2296739, 2780263, 4593478, 5560526, 9186956, 11121052, 52824997, 105649994, 211299988]

約数ペア:

[(1, 211299988), (2, 105649994), (4, 52824997), (19, 11121052), (23, 9186956), (38, 5560526), (46, 4593478), (76, 2780263), (92, 2296739), (109, 1938532), (218, 969266), (436, 484633), (437, 483524), (874, 241762), (1109, 190532), (1748, 120881), (2071, 102028), (2218, 95266), (2507, 84284), (4142, 51014), (4436, 47633), (5014, 42142), (8284, 25507), (10028, 21071)]