356475340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72161}}^1$

素因数の和:72202

約数の個数: 48

約数和(自身を含む): 848625120

約数和(自身を除く): 492149780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 72161, 144322, 288644, 360805, 721610, 938093, 1371059, 1443220, 1876186, 2742118, 3752372, 4690465, 5484236, 6855295, 9380930, 13710590, 17823767, 18761860, 27421180, 35647534, 71295068, 89118835, 178237670, 356475340]

約数ペア:

[(1, 356475340), (2, 178237670), (4, 89118835), (5, 71295068), (10, 35647534), (13, 27421180), (19, 18761860), (20, 17823767), (26, 13710590), (38, 9380930), (52, 6855295), (65, 5484236), (76, 4690465), (95, 3752372), (130, 2742118), (190, 1876186), (247, 1443220), (260, 1371059), (380, 938093), (494, 721610), (988, 360805), (1235, 288644), (2470, 144322), (4940, 72161)]