209278388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1499}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 423360000

約数和(自身を除く): 214081612

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 167, 209, 334, 418, 668, 836, 1499, 1837, 2998, 3173, 3674, 5996, 6346, 7348, 12692, 16489, 28481, 32978, 34903, 56962, 65956, 69806, 113924, 139612, 250333, 313291, 500666, 626582, 1001332, 1253164, 2753663, 4756327, 5507326, 9512654, 11014652, 19025308, 52319597, 104639194, 209278388]

約数ペア:

[(1, 209278388), (2, 104639194), (4, 52319597), (11, 19025308), (19, 11014652), (22, 9512654), (38, 5507326), (44, 4756327), (76, 2753663), (167, 1253164), (209, 1001332), (334, 626582), (418, 500666), (668, 313291), (836, 250333), (1499, 139612), (1837, 113924), (2998, 69806), (3173, 65956), (3674, 56962), (5996, 34903), (6346, 32978), (7348, 28481), (12692, 16489)]